ZXTape! 0Created with Ramsoft MakeTZXQUESTIONS1v(:7:7:0  6800 n=1 x$=" " &b$=" " 4zb(12 ):a(12 ):r(9 ):m(9 ):d(9 ):l(3,5):c(3,5):n(4,2) F"m$="I'm mixing up the questions" JE7,7,12 ,12 ,10 ,10 ,8,8 K<74J:i=14:n(i,1):n(i,2):i L`ox=0:oy=0:oc=0:ol=0:ink=0:paper=7:x=*65536:x ^9 ,1,11 ,1,13 ,1,15,1,17,1,9 ,1,15,1,11 ,11 ,9 ,21,15,21 _ 94^ `;i=12:j=15:l(i,j),c(i,j):j:i i-wipe=2250:wait=1890b:400 , 350^ .z$ 0z$="*"490 2'i=0 7:row:z$+i,row:i 4 302. `J"t",1,2,2,4,132,72H,40(,16 sK"k",96`,144,144,96`,0,0,0,0 tH"r",12 ,18,4,8,30,0,0,0 w"*" :6700, k4,12 :0,144:248,0:0,-144:-248,0:i=0 ,3,1;"This program gives you " +4,1;"practice at answering " a2:5,1;"multiple choice";:0:" and ";:2:"true/false":0 6,1;"questions." /8,1;"There is a range of topics" 29 ,1;"to choose from. If you do not" 10 ,1;"get a question correct then":11 ,1;"help is given. A message is":12 ,1;"shown to give a hint or an":13 ,1;"explanation. Have your GEM":14,1;"ready." E 16,1;"For the ";:2:"multiple choice":0 /17,1;"questions you can have a " 718,1;"second try. Pressing * at any" 019,1;"time RESTARTS the program." 7:300, 0.1}L,0:wait  x$=" ":m1=2:3000 tp=v t$=c$ v=69E6900 m1=1:3000 h=v h$=c$ h=67C500 h=68D6900 X>qp=5001+(h-65A)*1000+(tp-65A)*502 Y Z$3500 +(h-64@):h$:x$=h$ [!3600+(tp-64@):t$,i$ ]P:0,(16-(t$)/2);t$:1,(16-(i$)/2);i$ ^'3,(16-(h$)/2);h$ `qp bh=66B1000 lh=65A1900l yi=112 :b(i)=0:i:t=0:fg=1:p=5000+(tp-65A)*100d:1800:q=1 :1906r Aol=19:oc=0:tf=1a$="t":r$="T":1015 a$="f":r$="F" G7:1:19,2;"Press T or F to answer";  c$="":c$= c$="*"500 )c$="t"c$="T"c$="f"c$="F"1025  1020 c$=a$c$=r$2260:4:21,0;"good":ink:tt=tt+1:6:0,30;tt:7:0.5,12 :b(q)=1:t=t+1:1050 2:21,0;"wrong";:ink:0.5,-12 :2260:wait:5:9000(#+m:2200:7:1050  1020 wait &t=n(tp-64@,1)1500 $ q=q+1 )%q>n(tp-64@,1)q=1 +'b(q)=1q=q+1:1065) . 1008  :5 ށ2:1,(16-h$/2);h$:3,(16-t$/2);t$:4,(16-i$/2);i$:0 e8,1;"If you try this test again it":10 ,1;"will not be exactly the same." $i=020:0.1}L,i:i wait:7:500 p  0i=1n(tp-64@,h-64@):a(i)=i:i i=1̱m$ 17,i+1;m$(i); 0.1}L,-10 +i *x=(*n(tp-64@,h-64@))+1 *y=(*n(tp-64@,h-64@))+1 !z=a(x):a(x)=a(y):a(y)=z &i + tt=0 0wait: :Wtt=tt+1:6:0,30;tt:7:wipe:19,0;b$+" " ?i4:21,0;"right";:4:0:l(rt,cp),c(rt,cp);(64@+cp);:7:ink D0.5,12 I Nwipe Sf2:21,0;"wrong";:2:0:l(rt,c),c(rt,c);(64@+c);:7:ink Twf=01880X UM1:4:0:l(rt,cp),c(rt,cp);(64@+cp);:ink:0 X0.5,-12 ] b;0:21,7;"Press SPACE to continue"; c&c$="":c$=:c$01891c e c$="":c$= fc$=" "1897i gc$="*"500 h 1892d i'21,0;" ";:0: l=t=0:p=7000X+(tp-65A)*100d:1800 m3i=1n(tp-64@,2):b(i)=0:i nq=1:fg=0 r:6:0,29;"";tt:7:ol=0:oc=0:ox=0:oy=0:7000X+((tp-65A)*100d)+(a(q)-1)*2:0:0,0;t$:1,0;i$ t 2140\ vfg=01918~ w_1:7:j=813 :j,0;b$+" ":j:i=1:10 ,0;" "; x.tf=1:(*2)=0tf=0 yGtf=0fr=1rr=(*nr)+2:r(rr):m=m(rr):1012 zEtf=1fr=1d((*nc)+1):m=m(1):1012 {Qtf=18000@+d((*nc)+1):m=m(1):2370B :1012 |rr=(*nr)+2:8000@+r(rr):m=m(rr):1:7:j=813 :j,0;b$+" ":j:10 ,0;" ";:2370B :7:0:1012 i=2nr+1 x=(*nr)+2 y=(*nr)+2 j=r(x):r(x)=r(y):r(y)=j j=m(x):m(x)=m(y):m(y)=j i cp=(*5)+1 j=r(1):k=m(1) ?i=1cp-1:r(i)=r(i+1):m(i)=m(i+1):i r(cp)=j:m(cp)=k 614,0;" ":14,31;" ";:wipe ]14,1;b$;:1:i=819:i,0;b$+" ":i:i=15 i 0:6:l(rt,i),c(rt,i);(64@+i);:1:0:" ";:8000@+r(i):2370B  wf=0 i 7:0 ol=19:oc=0 0:21,0;" Press the ":6:21,11 ;"LETTER":7:1:21,18;"to answer";:ink  c$="":c$= c$="*"500 'c$>64@Ưc$<70F1970 (c$>96`Ưc$<102f1970  1955 E20,0;b$+" ";:c$>96`c=c$-96`:1980 c=c$-64@ ?c=cpt=t+1:b(q)=1:1850::wait:1990 22000:t=n(tp-64@,2)1500 bi=0 1986  q=1 a(q)=bi1987 3q=q+1:qn(tp-64@,2)1984 2q=q+1:q>n(tp-64@,2)q=1 b(q)=11986  1906r &t=n(tp-64@,2)1500  1986 Вwf=12260:1870N:7:0:wait:5:9000(#+m(cp):0:2200:7:0:wf=0:wait: A1870N:wait:5:9000(#+m(c):2200:7 wf=1:wait:wipe \2260:1:20,0;" Have another try ":ink:1950 c$ c$="*"23608 c$="l"2500 c$="d"2560 c$="t"2700 c$="a"2600(  c$="c"2820 c$="s"2650Z c$="b"2750 c$="x"2800  2020 * 4n,a: H q=1 In Jn=02130R La(q)=n Nq=q+1:2121I R \U5:i=27:i,0;b$+" ":i:0:2020:7:ink ]#rt:nc:nr:i=1nc:d(i):i ^$i=(*nc)+1:r(1)=d(i) _1fr=0:rt=-1fr=1:rt=1 a1m(1):i=2nr+1:r(i):m(i):i fbi k l:l=-12220 ,i=1920:i,0;b$+" ";:i Yl=3c$:ol,oc;"This GEM reference may help you:":ol+1,oc;c$:2220 #l=02020:2220 c$:ol,oc;c$; l=12220 c$ ol+1,oc;c$; -ol=19:oc=0:7:0: -0:7:21,0;b$+" ";  19,0;b$+" ";  .Aol,oc:ox=(oc*8):oy=(168-ol*8):2020 8<ox=0:oy=0:oc=0:ol=0:2090* B/1:7:fr=1r(i):0: Cn Dbn=0ox=(c(rt,i)*8)+12 :oy=(144-l(rt,i)*8)+2:2020: Gr$:r$ In=2r$:" ";r$; K x,y,a,b x=x+ox:y=y+oy:a=a+ox:b=b+oy x,y a-x,b-y  x=a:y=b:a,b:2505 ( x,y,h,w,a -x=x+ox:y=y+oy 2x,y:h-x,w-y,a*/180 7 Zn d%p=4000+((n-1)*502) ip n l,c,x$:ol+l,oc+c;x$: Nx,y:x=x+ox:y=y+oy:i=-11:j=-11:x+i,y+j:j:i: x,y,h,w x=ox+x:y=y+oy 3x,y:0,h:w,0:0,-h:-w,0  x,y,r:x,y,r: :7 &#3500 +(m1-1)*100d + 1 ,%0,16-(x$/2);x$ .h$:1,2;h$ 6n=0:m=1 8h$,i$ :h$="*"3200 D1:7 N%(3+n),2;(64@+m); X7:0 b(3+n),4;h$ g&n=n+1:(3+n),4;i$ q n=n+2 v m=m+1 { 31288 1 " ":" "; )"Press a LETTER to choose":7 m1=1" ":1:7:b$:" Remember that pressing * and ":" symbol shift will take you ":" back to choose another topic. ":b$:7:0 (c$="":c$=:c$03205 c$="":c$= c$="*"500 v=(c$) 'v>64@v<(64@+m)3800 'v>96`v<(96`+m)3800 3210 "CHOOSE THE TYPE OF QUESTION" "Multiple choice"," " "True or false"," " "Choose another topic"," " "Finish using the program"," " "*" "CHOOSE YOUR TOPIC" ("Graphs & relationships ","A variety " +"Graphs & relationships","Electricity " ."Graphs & relationships","Force & movement " ""Graphs & relationships","Heat "  "Finish using the program"," " j "*"," " v>96`v=v-32  0ox+0,oy+0:0,32 :ox+0,oy+0:568,0:l(rt,i)+3,c(rt,i)+9 ;"X":l(rt,i)-1,c(rt,i)+1;"Y": bcox+0,oy+0:0,32 :568,0:0,-32 :-568,0: l/gj=*8+8:gi=*15+5: v gk=1 xOgx=gx+1:gy=(gj*(*gk/gi)):1,gy-yy:yy=gy:gx>557gkgi zgk=gk+1:4472x  gk=1 Pgx=gx+1:gy=(-gj*(*gk/gi)):1,gy-yy:yy=gy:gx>557gkgi gk=gk+1:4482  gk=1 <gx=gx+1:1,0:yy=gy:gx>557gkgi gk=gk+1:4492 gi=(*568):44000 :gi<40(ox+0,oy+0:gi+10 ,32 :gi40(ox+0,oy+0:568,gi-24  Lgi=(*20)+8:44000:ox+0,oy+gi:568,0: X44000:gi=*40(+10 :gj=*20+10 :ox+0,oy+gj:gi,-gj: *$ 44000:gj=*10 +5 /gi=(*568) 48gi<40(ox+0,oy+gj:gi+10 ,32 -gj 98gi40(ox+0,oy+gj:568,gi-24-gj > \244000:gi=*20+5:gj=*30 a,gj<15ox+gi,oy+0:gj,32 f@gj15ox+gi,oy+0:568-gi,*20+10 k $44000:gi=*20+10 ,gj=128/gi:ox+gj,oy+gi:gx=gj:gy=gi gi<4 Ggi=gi-2:gj=128/gi:gj-gx,gi-gy:gx=gj:gy=gi:4760 `44000:gk=*502+5:ox+0,oy+0:gi=0:gj=0:gx=gi:gy=gj gj>30 gi>546 Cgi=gj*gj/gk:gi-gx,gj-gy:gx=gi:gy=gj:gj=gj+2:4805 b44000:gk=*200+20:ox+0,oy+0:gi=0:gj=0:gx=gi:gy=gj gj>30 gi>546 Cgj=gi*gi/gk:gi-gx,gj-gy:gx=gi:gy=gj:gi=gi+4:4855 $x44000:gi=*20+10 :gj=*40(+10 :gk=*(568-gj):ox+0,oy+gi:gj,0:gk,-gi: Vm44000:gi=*20+10 :gj=*30+20:ox+0,oy+0:gj,gi:568-gj,-gi: h44000:gi=*20+10 :gj=*30+20:ox+0,oy+gi:gj,-gi:568-gj,gi: |44000:gi=*20+10 :gj=*40(+10 :gk=*(568-gj):ox+0,oy+0:gj,gi:gk,0: H4450b:4460l:ox+0,oy+16:gx=0:yy=0 4470v:gx>557 4480:gx>557  5105 H4450b:4460l:ox+0,oy+16:gx=0:yy=0 #4470v:gx>557 (4490:gx>557 - 5155# PH4450b:4460l:ox+0,oy+16:gx=0:yy=0 U4470v:gx>557 Z4470v:gx>557 _ 5205U 44000:gi=*20+10 :gj=*20+10 :gk=*(gi-5):ox+0,oy+gi:gj,-gk:568-gj,0: p44000:gk=(*100d)/100d+0.01z# =:ox+0,oy+0:gi=0:gj=0:gx=gi:gy=gj gj>30 gi>546 agj=26*(1-1*((-gi*gk))):gi-gx,gj-gy:gx=gi:gy=gj:gi=gi+4:5305 44000:gi=*20+10 :gj=*20+10 :gk=*(32 -gi):ox+0,oy+gi:gj,0:568-gj,gk: s44000:gk=(*100d)/1000+0.01z# =:ox+0,oy+30:gi=0:gj=30:gx=gi:gy=gj gj<2 gi>568 "Ogj=30*((-gi*gk)):gi-gx,gj-gy:gx=gi:gy=gj:gi=gi+4:5405 Jr44000:gk=(*100d)/100d+0.01z# =:ox+0,oy+15:gi=0:gj=15:gx=gi:gy=gj Ogj>32  gi>568 Tjgj=15+15*(1-1*((-gi*gk))):gi-gx,gj-gy:gx=gi:gy=gj:gi=gi+2:5455O |I4450b:gi=*8+8:ox+28,oy+16:0,gi: Q4450b:gi=*8+6:ox+0,oy+gi+16:568,0: Q4450b:gi=*8+6:ox+0,oy+16-gi:568,0: T4450b:gi=*8+6:ox+28,oy+16-gi:0,2*gi: DQ4450b:gi=*8+6:ox+28,oy+16+gi:0,1: vQ4450b:gi=*8+6:ox+28,oy+16-gi:0,1: J4450b:gi=*8+6:ox+28,oy+16:0,-gi: H4450b:4460l:ox+0,oy+16:gx=0:yy=0 4480:gx>557 4480:gx>557  5855  H4450b:4460l:ox+0,oy+16:gx=0:yy=0 4480:gx>557 4490:gx>557  5905 >B44000:gi=*40(+10 :ox+gi,oy:0,32 : pgi=(*3)+1 u gi=1" alpha particles" zgi=2" beta particles" gi=3" gamma rays"  ,c1:" How much do you know about":1,2;"PHYSICS (part 1)":0: 1:6700,:3,2;" Collins 1985" U2:10 ,2;"Press STOP on your recorder":0:1890b: :6700,:1:4,1;"If you run this program again":5,1;"you will not get exactly the":6,1;"same tests.":0:10 ,3;"To run this program again":11 ,10 ;"Press RUN" ^14,2;"To load and run QUESTIONS2":15,10 ;"Press NEXT":0 18,4;"To load a later program":19,2;"wind on the tape before you":20,10 ;"press NEXT"  c$="":c$= c$="R"c$="r":10 ^c$="N"c$="n" :2:17,2;"Press PLAY on your recorder.":0:""  6905 X"t",3,1,"A graph of force (Y) against","t",4,1,"current (X) for an electro-","t",5,1,"magnet with an air core ","t",6,1,"could be","*" Y2,1,8,201,194,202,193,203,193,204,192,217,193,207,193,208,193,219,192,220,192,0 Z"t",3,1,"A graph of force (Y) against","t",4,1,"the number of turns for an","t",5,1,"electromagnet with a soft iron","t",6,1,"core could be","*" [2,1,8,201,194,202,193,203,193,204,192,217,193,207,193,208,193,219,192,220,192,0 \"t",4,1,"A graph of the count-rate(Y)","t",5,1,"against time(X) for a source","t",6,1,"emitting ","s",41),"*" ]2,1,4,219,201,201,200,203,200,217,200,218,200,0 ^"t",4,1,"A graph of the length(Y) of a","t",5,1,"spring against the load(X)","t",6,1,"could be","*" _2,1,7,204,0,201,202,203,203,202,203,205,204,207,203,208,203,206,203,0 ` "b",24,132,"t",3,1,"Light","x",72H,124|,16,3,"t",7,5,"object","l",108l,113q,108l,151,"t",2,9 ,"screen","l",20,132,108l,146,"l",20,132,108l,118v,"t",3,16,"A graph of","t",4,16,"shadow size (Y)","t",5,16,"against distance","t",6,16,"of object from","t",7,16,"light could be","*" a2,1,4,206,206,203,205,201,205,204,205,202,205,0 b"l",4,136,32 ,136,"d",32 ,146,"d",84T,146,"l",4,132,32 ,132,"d",32 ,122z,"d",84T,122z,"x",64@,122z,24,4,"x",68D,132,4,24,"t",6,1,"AIR","t",7,6,"X","t",5,12 ,"Y","t",3,14,"A graph of force","t",4,14,"on the piston","t",5,14,"against position","t",6,14,"could be","*" c2,1,6,202,0,201,207,203,207,204,207,205,207,209,207,210,207,0 d]"t",4,1,"A graph which shows X","t",5,1,"constant could be","*" e2,1,5,230,0,201,212,202,204,203,212,204,212,205,212,0 "t",3,1,"A graph of the p.d. applied","t",4,1,"across a resistor (Y) against","t",5,1,"the current flowing (X)","t",6,1,"could be","*" 2,1,6,201,140,203,139,204,139,205,139,207,139,208,139,206,139,0 "t",3,1,"A graph of the p.d. applied","t",4,1,"across a lamp (Y) against","t",5,1,"the current flowing (X)","t",6,1,"could be","*" 2,1,6,208,140,201,141,203,141,204,143,205,143,207,142,206,143,0 "t",3,1,"A graph of the resistance of a","t",4,1,"length of wire (Y) against the","t",5,1,"current flowing (X) could be","*" 2,1,6,202,140,201,144,203,145,204,144,205,144,207,145,208,145,0 ¸"t",3,1,"A graph of the power dissipated","t",4,1,"in a resistor (Y) against the","t",5,1,"current flowing (X)","t",6,1,"could be","*" Ù2,1,5,208,140,207,147,206,146,219,146,201,147,202,147,0 "t",3,1,"The trace on an oscilloscope","t",4,1,"of the p.d. across a resistor","t",5,1,"through which an alternating","t",6,1,"current is flowing could be","*" 2,2,7,224,213,157,214,154,215,155,221,154,222,156,223,156,228,155,229,154,0 "t",5,2,"AC","c",24,140,3,"l",24,143,24,148,"d",524,148,"l",524,140,524,156,"d",60<,148,"d",524,140,"l",60<,140,60<,156,"l",60<,148,88X,148,"d",88X,144,"x",84T,120x,24,8,"l",88X,120x,88X,116t,"d",24,116t,"d",24,121y,"c",24,124|,3,"t",3,12 ,"X","t",7,12 ,"Y","t",3,14,"The trace on an","t",4,14,"oscilloscope of","t",5,14,"the p.d. between","t",6,14,"X and Y could be","*" ǣ2,4,4,227,221,229,214,157,213,158,215,155,224,158,228,155,0 "l",8,136,40(,136,"l",16,132,32 ,132,"l",24,136,24,148,"d",88X,148,"d",88X,144,"x",84T,120x,24,8,"l",88X,120x,88X,116t,"d",24,116t,"d",24,132,"t",3,12 ,"X","t",7,12 ,"Y","t",3,14,"The trace on an","t",4,14,"oscilloscope of","t",5,14,"the p.d. between","t",6,14,"X and Y could be","*" 2,4,8,226,225,223,222,157,213,158,214,154,215,155,221,154,224,158,227,154,228,155,229,154,0 c"t",3,1,"This trace is often called","t",4,1,"FULL WAVE RECTIFIED AC","*" ˙2,3,4,221,228,215,157,213,158,214,154,224,158,229,154,0 c"t",4,1,"This trace is often called","t",5,1,"HALF WAVE RECTIFIED AC","*" ͣ2,4,4,229,227,221,214,157,213,158,215,155,224,158,228,155,0 i"t",4,1,"This trace could be produced","t",5,1,"by the p.d. from a battery","*" 2,4,8,223,222,226,225,157,213,158,214,154,215,155,221,154,224,158,227,154,228,155,229,154,0 "t",3,1,"A graph which shows how the","t",4,1,"p.d. across a capacitor (Y)","t",5,1,"changes with time (X) as the","t",6,1,"capacitor discharges could be","*" х2,1,4,219,183,217,177,207,178,208,178,220,178,0 ҆"l",4,140,28,140,"l",10 ,136,22,136,"l",16,140,16,152,"d",32 ,152,"x",32 ,148,8,24,"l",568,152,68D,152,"c",70F,152,2,"c",82R,152,2,"c",76L,140,2,"l",77M,141,81Q,151,"l",76L,142,76L,132,"l",64@,132,88X,132,"l",64@,128,88X,128,"l",76L,128,76L,120x,"l",84T,152,96`,152,"d",96`,120x,"d",16,120x,"d",16,136,"b",76L,120x,"t",2,13 ,"A graph which","t",3,13 ,"shows how the p.d.","t",4,13 ,"across the","t",5,13 ,"capacitor changes","t",6,13 ,"when the switch","t",7,13 ,"is moved over","*" 2,1,8,217,183,207,180,208,180,201,181,205,182,204,182,206,182,219,182,218,182,0  "t",2,1,"A","l",16,152,80P,137,"d",144,152,"t",5,1,"A ball is released from A. A","t",6,1,"graph of velocity (Y) against","t",7,1,"time (x) is","*" !2,1,8,210,130,209,125},211,125},212,126~,201,127,204,127,203,125},216,126~,218,125},0 ""t",3,1,"A constant force of 10N acts","t",4,1,"on a mass of 2kg. A graph of","t",5,1,"acceleration (Y) against","t",6,1,"time (X) is","*" #2,1,6,202,130,201,129,203,128,204,129,205,128,208,128,207,128,0 $"t",2,1,"A ball falls off the edge of","t",3,1,"a table, hits the floor and","t",4,1,"bounces back. A graph of","t",5,1,"kinetic energy (Y) against","t",6,1,"time (X) could be","*" %2,1,8,210,133,209,125},211,134,212,126~,201,135,202,134,203,134,204,135,216,125},0 &"t",3,1,"A constant force of 4N acts","t",4,1,"on a mass of 20kg. A graph of","t",5,1,"velocity (Y) against time (X)","t",6,1,"could be","*" '2,1,6,201,130,202,126~,203,131,204,132,205,132,208,128,207,128,0 ("t",3,1,"A brick falls off a table and","t",4,1,"lands in soft sand. A graph","t",5,1,"of TOTAL ENERGY (Y) against","t",6,1,"time (X) could be","*" )2,1,8,202,133,201,136,203,136,204,136,209,136,210,136,211,136,212,136,216,136,0 *"t",3,1,"A constant force of 6N acts","t",4,1,"on a mass of 2kg. A graph","t",5,1,"of CHANGE IN MOMENTUM (Y)","t",6,1,"against time (X) could be","*" +2,1,7,201,138,202,137,204,137,205,137,209,137,212,137,216,137,218,137,0 ,"t",3,1,"For a pulley system the graph","t",4,1,"which shows the efficiency (Y)","t",5,1,"against the load (X) could be","*" -2,2,5,207,217,161,220,162,201,160,208,160,206,162,202,160,0 ."t",2,1,"For a pulley system with a","t",3,1,"constant load the graph which","t",4,1,"shows the efficiency (Y)","t",5,1,"against the WEIGHT of the","t",6,1,"lower pulley block (X) could be","*" /2,1,6,219,161,207,163,208,163,217,163,220,163,202,162,203,164,0 0"t",2,1,"A block slides along a friction","t",3,1,"free surface, and then over","t",4,1,"sandpaper producing constant","t",5,1,"friction. A graph of velocity","t",6,1,"(Y) against time (X) could be","*" 1 2,1,8,209,130,205,172,212,173,216,173,218,172,202,172,201,173,203,173,204,172,0 2"t",2,1,"A car travels along at constant","t",3,1,"speed. A graph which shows how","t",4,1,"the distance from a point (Y)","t",5,1,"changes with time (X) could be","*" 32,3,8,203,204,201,130,202,174,205,174,206,176,208,176,207,176,209,174,210,176,211,176,0  "t",2,1,"A block of metal at 20C is","t",3,1,"heated at a constant rate and","t",4,1,"is fully lagged. With an origin","t",5,1,"at 0C a graph of temperature","t",6,1,"(Y) against time (X) could be","*" 2,1,8,204,149,201,148,208,151,205,148,218,151,212,151,220,151,203,150,217,151,0  "t",2,1,"A block of metal at 20C is","t",3,1,"heated at a constant rate and","t",4,1,"is NOT lagged. With an origin","t",5,1,"at 0C a graph of temperature","t",6,1,"(Y) against time (X) could be","*" 2,1,6,220,149,201,152,202,153,204,152,217,148,207,148,208,148,0 "t",3,1,"A gas is compressed. A graph","t",4,1,"which shows the relationship","t",5,1,"between the pressure (Y) and","t",6,1,"the volume (X) could be","*" 2,1,5,206,167,203,165,201,166,207,166,208,166,217,166,0 "t",3,1,"A gas is heated. A graph","t",4,1,"which shows the relationship","t",5,1,"between the pressure (Y) and","t",6,1,"the temperature in Kelvin (X)","t",7,1,"could be","*" 2,1,6,201,167,205,168,204,169,208,170,207,170,212,170,202,170,0 "t",2,1,"A gas is cooled. The graph","t",3,1,"which shows the relationship","t",4,1,"between the pressure (Y) and","t",5,1,"the temperature in Centigrade","t",6,1,"could be","*" 2,1,6,204,167,207,170,205,168,201,171,208,170,212,170,202,170,0 ""t",2,1,"Steam is made by boiling water","t",3,1,"in a kettle. A graph which","t",4,1,"shows how the mass of steam","t",5,1,"made in 1 sec depends on","t",6,1,"the power of the heating","t",7,1,"element could be","*" 2,1,6,201,184,202,184,204,184,205,184,218,184,207,184,208,184,0 "t",2,1,"A metal bar is heated. A graph","t",3,1,"which shows how the length (Y)","t",4,1,"changes as the temperature (X)","t",5,1,"rises from 0C could be","*"  2,1,6,204,187,201,185,202,186,218,186,207,185,208,186,220,185,0  "t",2,1,"Salt is dissolved in water. A","t",3,1,"graph which shows how the","t",4,1,"density of the solution (Y)","t",5,1,"changes as the MASS of salt","t",6,1,"dissolved increases could be","*" 2,1,7,204,191,201,188,207,188,205,190,208,190,212,190,217,190,220,191,0 1,"force" 1,"acceleration" 1,"deceleration" 1,"speed" 1,"velocity" 1,"density" 1,"pressure" 1,"temperature" (1,"size of the electric current"  1,"potential difference" 1,"resistance" 1,"charge" 1,"e.m.f." 0,"s",11 ,"*" 0,"s",12 ,"*" 0,"s",13 ,"*" 0,"s",14,"*" 0,"s",15,"*" 0,"s",16,"*" 0,"s",17,"*" 0,"s",18,"*" 0,"s",19,"*" 0,"s",20,"*" 0,"s",21,"*" 0,"s",22,"*" 0,"s",23,"*" 0,"s",24,"*" 0,"s",25,"*" 0,"s",26,"*" 0,"s",27,"*" 0,"s",28,"*" 0,"s",29,"*" 0,"s",30,"*" 0,"s",31,"*" 0,"s",32 ,"*" 0,"s",33!,"*" 0,"s",34","*" !0,"s",35#,"*" "0,"s",36$,"*" #0,"s",37%,"*" $0,"s",38&,"*" %0,"s",39',"*" &0,"s",40(,"*" 1,"a micrometer" 1,"vernier callipers" 1,"a mm. rule" 1,"a metre rule" 1,"a voltmeter (0-1v)" 1,"a voltmeter (0-10v)" 1,"an ammeter (0-1mA)" 1,"an ammeter (0-10mA)" 1,"an ammeter (0-100mA)" 1,"an ammeter (0-1A)" 1,"measuring cylinder" 1,"top pan balance" 1,"protractor" 1,"dividers" #1,"strip of mm graph paper" &1,"a low resistance voltmeter" '1,"a high resistance voltmeter" $1,"a low resistance ammeter" %1,"a high resistance ammeter" 1,"thermometer" 1,"thermopile" 1,"barometer" 1,"anemometer" 1,"manometer" 1,"stop watch" 1,"light meter" 1,"spring balance" 1,"pedometer" -2,"an ammeter with zero","resistance" >2,"a tape measure at least 5m","long graduated in cm." 1,"ticker-timer" 1,"Joule-meter" #(-1," " #:2,"The velocity increases","steadily at the start" #*1,"The velocity is never constant" #12,"The velocity decreases at some","part" #?2,"A constant force produces a","constant acceleration" #J2,"A graph of a constant value is","a horizontal OR vertical line" #<2,"Equations of motion, velocity","and acceleration" #62,"This shows deceleration not","acceleration" #'1,"The object starts from rest" #3,"Energy" #<2,"If the velocity increases the","KE must increase" #<2,"If the velocity decreases the","KE must decrease" #12,"The total energy is always","constant" #82,"The rate of change of","momentum is constant" #!3,"Newton's law of force" #-2,"OHM'S LAW applies to a","resistor" #3,"Resistance" #D2,"OHM'S LAW does not apply to a","lamp because it gets hot" #>2,"As the lamp gets hotter the","resistance increases" #'1,"No voltage means no current" #92,"Does the resistance depend","on the current ?" #/2,"It can never have zero","resistance" #A2,"The power dissipated must","increase with the current" #<2,"P=IR. What happens if the","current is doubled?" #.2,"The block does not start at","0C." #%1,"Specific thermal capacity" #62,"The block is heating up not","cooling down" #F2,"The lagging means that the","temperature changes uniformly" #52,"Without lagging there will be","heat loss" #B2,"If heat energy is supplied the","temperature must rise" #:2,"This is half wave rectified","by using a diode" #G2,"This is full wave rectified by","using 4 diodes in a bridge" #02,"A battery would produce this","trace" #3,"Rectifier" #*1,"This is an alternating voltage" #F2,"As the load increases the","efficiency increases. Max 100%" #1,"Pulley" #52,"With no load there can be no","efficiency" #H2,"To make the pulley system MORE","efficient REDUCE the weight" #A2,"The efficiency can never be","zero if there is a load" #42,"The pressure can never be","exactly zero" #<2,"As the volume increases the","pressure decreases" #3,"Gas laws" #;2,"The pressure is only zero at","absolute zero K" #?2,"This would be correct if the","temperature is in C" #>2,"Pressure is proportional to","absolute temperature" #D2,"This would be correct if the","temperature is in Kelvin" #D2,"The block decelerates when it","moves over the sandpaper" #52,"The block moves first at","constant speed" #J2,"This graph would mean that the","object is stopped in all/part" #*1,"The distance changes uniformly" #.2,"The object is always moving","away" #42,"This would be a graph showing","charging" #$1,"The p.d. falls not rises" #42,"The graph is x and is not","steep enough" #D2,"This would mean that the p.d.","could be infinitely high" #72,"The p.d. does not rise","linearly with time" #&1,"At time=0 the p.d. is zero" #3,"Capacitor" #82,"The mass/sec is proportional ","to the power" #D2,"The bar has a length even when","the temperature is zero" #D2,"The length increases steadily","as the temperature rises" #3,"Expansion" #F2,"The water has a density even","when there is no salt added" #32,"The water can never have zero","density" #-2,"the density increases","uniformly" #>2,"There can be no force without ","a current flowing" #62,"The force is proportional to","the current" #3,"Electromagnet" #C 2,"The rate is proportional to","the number of atoms left" #3,"Decay" #:2,"Don't forget it has a length","with no load on" #72,"The extension is proportional","to the load" #:2,"Have you read the axes the","wrong way round ?" #32,"Double the distance, halve","the shadow" #3,"Shadow" #F2,"The force does not depend on","the position of the piston." #<2,"Equal increases in X give","equal increases in Y" #/2,"The graph starts from the","origin." #1,"There is no change" '-1," " C QUESTIONS2>M"@:7:0:7 &b$=" "  6800 n=1:fr=0 x$=" " &b$=" " 1e(36$,2):a(19):b(19):r(9 ):m(9 ):d(9 ):l(3,5):c(3,5):n(4,2) F"m$="I'm mixing up the questions" JG13 ,13 ,18,18,13 ,13 ,9 ,9 K<74J:i=14:n(i,1):n(i,2):i LWox=0:oy=0:oc=0:ol=0:bor=7:ink=0:pap=7 Moc=0:ol=0 P'bor=7:ink=0:pap=7 Zx=*65536:x \2k=136$:e(k,1),e(k,2):k ]A2,3,2,5,3,5,1,4,4,6,1,6,6,2,4,2,6,3,5,1,5,4,6,2,1,1,2,2,3,3,4,4,5,5,6,6,2,4,2,6,1,5,1,3,3,6,4,5,5,2,5,3,6,4,6,1,3,2,4,1,1,2,3,4,5,6,2,1,4,3,6,5 ^9 ,1,11 ,1,13 ,1,15,1,17,1,9 ,1,13 ,1,11 ,11 ,9 ,21,13 ,21 _ 94^ `i=12 aj=15 bl(i,j):c(i,j) cj:i i-wipe=2250:wait=1890b:400 , 350^ .z$ 0z$="*"490 2'i=0 7:row:z$+i,row:i 4 302. `J"t",1,2,2,4,132,72H,40(,16 bG"s",14,2,4,2,14,0,0,0 lN"a",568,84T,146,16,16,16,16,16 sK"k",96`,144,144,96`,0,0,0,0 vJ"b",0,0,0,36$,36$,36$,60<,64@ w"*" :6700, `4,12 :0,144:248,0:0,-144:-248,0 ,3,1;"This program gives you " +4,1;"practice at answering " a2:5,1;"multiple choice";:0:" and ";:2:"true/false":0 6,1;"questions." /8,1;"There is a range of topics" 29 ,1;"to choose from. If you do not" 10 ,1;"get a question correct then":11 ,1;"help is given. A message is":12 ,1;"shown to give a hint or an":13 ,1;"explanation. Have your GEM":14,1;"ready." E 16,1;"For the ";:2:"multiple choice":0 /17,1;"questions you can have a " 718,1;"second try. Pressing * at any" 019,1;"time RESTARTS the program." 7:300, 0.1}L,0:wait  x$=" ":m1=2:3000 tp=v t$=c$ v=69E6900 m1=1:3000 h=v h$=c$ h=67C500 h=68D6900 X>qp=5001+(h-65A)*1000+(tp-65A)*502 Y Z$3500 +(h-64@):h$:x$=h$ [!3600+(tp-64@):t$,i$ ]P:0,(16-(t$)/2);t$:1,(16-(i$)/2);i$ ^'3,(16-(h$)/2);h$ `qp bh=66B1000 lh=65A1900l %k=118:b(k)=0:k `t=0:fr=1:fg=1:p=5000+(tp-65A)*100d:1800:q=1   1906r Aol=19:oc=0:tf=1a$="t":r$="T":1015 a$="f":r$="F" G7:1:19,2;"Press T or F to answer";  c$="":c$= c$="*"500 )c$="t"c$="T"c$="f"c$="F"1025  1020 c$=a$c$=r$2260:4:21,0;"good":ink:tt=tt+1:6:0,30;tt:7:0.5,12 :b(q)=1:t=t+1:1050 2:21,0;"wrong";:ink:0.5,-12 :2260:wait:5:9000(#+m:2200:7:1050  1020 wait &t=n(tp-64@,1)1500 $ q=q+1 )%q>n(tp-64@,1)q=1 +'b(q)=1q=q+1:1065) . 1008  :5 \2:1,(16-h$/2);h$:3,(16-t$/2);t$:0 8,1;"Well done. You have got all":10 ,1;"questions in the section":12 ,1;"CORRECT.":1:14,1;"Now try another topic area":0 $i=020:0.1}L,i:i wait:7:500 p  0i=1n(tp-64@,h-64@):a(i)=i:i i=1̱m$ 17,i+1;m$(i); 0.1}L,-10 +i *x=(*n(tp-64@,h-64@))+1 *y=(*n(tp-64@,h-64@))+1 !z=a(x):a(x)=a(y):a(y)=z &i + tt=0 0wait: :Wtt=tt+1:6:0,30;tt:7:wipe:19,0;b$+" " ?i4:21,0;"right";:4:0:l(rt,cp),c(rt,cp);(64@+cp);:7:ink D0.5,12 Hbor I Nwipe Sf2:21,0;"wrong";:2:0:l(rt,c),c(rt,c);(64@+c);:7:ink Twf=01880X UM1:4:0:l(rt,cp),c(rt,cp);(64@+cp);:ink:0 X0.5,-12 \bor ] b;0:21,7;"Press SPACE to continue"; c&c$="":c$=:c$01891c e c$="":c$= fc$=" "1897i gc$="*"500 h 1892d i%21,0;b$;" ":0: l=t=0:p=7000X+(tp-65A)*100d:1800 m3i=1n(tp-64@,2):b(i)=0:i nq=1:fg=0 r:rr=0:6:0,29;"";tt:7:ol=0:oc=0:ox=0:oy=0:7000X+((tp-65A)*100d)+(a(q)-1)*2:0:0,0;t$:1,0;i$ t 2140\ vfg=01918~ w_1:7:j=813 :j,0;b$+" ":j:i=1:10 ,0;" "; x.tf=1:(*2)=0tf=0 yGtf=0fr=1rr=(*nr)+2:r(rr):m=m(rr):1012 z=tf=1fr=1r(1):m=m(1):1012 {Qtf=18000@+d((*nc)+1):m=m(1):2370B :1012 |rr=(*nr)+2:8000@+r(rr):m=m(rr):1:7:j=813 :j,0;b$+" ":j:10 ,0;" ";:2370B :7:0:1012 i=2nr+1 x=(*nr)+2 y=(*nr)+2 j=r(x):r(x)=r(y):r(y)=j j=m(x):m(x)=m(y):m(y)=j i cp=(*5)+1 j=r(1):k=m(1) ?i=1cp-1:r(i)=r(i+1):m(i)=m(i+1):i r(cp)=j:m(cp)=k 614,0;" ":14,31;" ";:wipe ]14,1;b$;:1:i=819:i,0;b$+" ":i:i=15 i 0:6:l(rt,i),c(rt,i);(64@+i);:1:0:" ";:8000@+r(i):2370B  wf=0 i 7:0 ol=19:oc=0 0:21,0;" Press the ":6:21,11 ;"LETTER":7:1:21,18;"to answer";:ink  c$="":c$= c$="*"500 'c$>64@Ưc$<70F1970 (c$>96`Ưc$<102f1970  1955 E20,0;b$+" ";:c$>96`c=c$-96`:1980 c=c$-64@ ?c=cpt=t+1:b(q)=1:1850::wait:1990 22000:t=n(tp-64@,2)1500 bi=01986  q=1 a(q)=bi1987 3q=q+1:qn(tp-64@,2)1984 2q=q+1:q>n(tp-64@,2)q=1 b(q)=11986  1906r &t=n(tp-64@,2)1500  1986 Вwf=12260:1870N:7:0:wait:5:9000(#+m(cp):0:2200:7:0:wf=0:wait: A1870N:wait:5:9000(#+m(c):2200:7 wf=1:wait:wipe \2260:1:20,0;" Have another try ":ink:1950 c$ c$="*"23608 c$="l"2500 c$="t"2700 c$="a"2600(  c$="c"2820 c$="s"2650Z c$="b"2750 c$="r"2300 c$="o"2350. c$="x"2800  2020 * 4n,a: H q=1 In Jn=02130R La(q)=n Nq=q+1:2121I R \5:i=27:i,0;b$+" ":i:0:2020:7:ink:rt:rt=-1rt=1:rr=-1:2150f ]nc:nr:i=1nc:d(i):i ^$i=(*nc)+1:r(1)=d(i) _1fr=0:rt=-1fr=1:rt=1 a1m(1):i=2nr+1:r(i):m(i):i fbi k l:l=-12220 ,i=1920:i,0;b$+" ";:i Yl=3c$:ol,oc;"This GEM reference may help you:":ol+1,oc;c$:2220 #l=02020:2220 c$:ol,oc;c$; l=12220 c$ ol+1,oc;c$; -ol=19:oc=0:7:0: -0:7:21,0;b$+" ";  19,0;b$+" ";  nc i=1nc:d(i):i #l=(*nc)+1:8000@+l 2200: .Aol,oc:ox=(oc*8):oy=(168-ol*8):2020 8<ox=0:oy=0:oc=0:ol=0:2090* B;1:7:fr=1rr=-1r(i):0: Cn DSn=0ox=(c(rt,i)*8)+8:oy=(144-l(rt,i)*8):draw: Gr$:r$ In=2r$:" ";r$; K `rt=22410j eW 1:7+2*i,1;(64@+i);" ";:ink:8000@+r(i):resp: jjy(i),x(i);(64@+i);:8000@+r(i):ox=8*x(i):oy=(21-y(i))*8-24:draw: x,y,a,b 2505 #oc=0ol=02515 x=x+ox:y=y+oy:a=a+ox:b=b+oy  x,y 1;a-x,b-y  ( x,y,h,w,a -x=x+ox:y=y+oy 2x,y:h-x,w-y,a*/180 7 Zn dp=4000+(n*502) ip n l,c,x$:ol+l,oc+c;x$: Nx,y:x=x+ox:y=y+oy:i=-11:j=-11:x+i,y+j:j:i:  x,y,h,w x=ox+x:y=y+oy 3x,y:0,h:w,0:0,-h:-w,0  x,y,r:x,y,r: :7 &#3500 +(m1-1)*100d + 1 ,%0,16-(x$/2);x$ ./h$:1,2;h$:n=0:m=1 8h$,i$ :h$="*"3200 D1:7 N%(3+n),2;(64@+m); X7:0 b(3+n),4;h$ g&n=n+1:(3+n),4;i$ q n=n+2 v m=m+1 { 31288 1 " ":" "; )"Press a LETTER to choose":7 m1=1" ":1:7:b$:" Remember that pressing * and ":" symbol shift will take you ":" back to choose another topic. ":b$:7:0 (c$="":c$=:c$03205 c$="":c$= c$="*"500 v=(c$) 'v>64@v<(64@+m)3800 'v>96`v<(96`+m)3800 3210 "CHOOSE THE TYPE OF QUESTION" "Multiple choice"," " "True or false"," " "Choose another topic"," " "Finish using the program"," " "*" "CHOOSE YOUR TOPIC" ."Practical work and choice","of instruments" ""Practice at reading scales"," " /"Electrical instruments and","optical images" !"Particles & radioactivity"," "  "Finish using the program"," " j "*"," " v>96`v=v-32  "*",-1 " you would use": v24,136:0,20:192,0:0,-20:-192,0:3,4;"0"  gi=(*7)+1  :4108 :k=1gi:gk,z$:k:3,24;gk  `1,"cm",1,"m",10 ,"cm",502,"cm",100d,"cm",5,"cm",10 ,"mm"  4000 fk=36$18016:k,136:0,7:k+8,136:0,4:k &196,136:0,7 -7,1;"The reading in ";z$;" is"  nr=4 "cr(1)=((*35#)*gk/40()+(2*gk/40():k=18:m(k)=47/:k #z=-gk/40( $r(2)=r(1)-2*gk/40(:r(3)=r(1)-gk/40(:r(4)=r(1)+gk/40(:r(5)=r(1)+2*gk/40( )t36$+160*r(1)/gk,124|:0,12 :-4,-4:4,4:4,-4 , 6$nr=4:4155;:2020 7gk=(*13 )+1 8041539:k=1gk:gi,z$:k:4000 910 ,"V",1,"A",5,"A",100d,"mA",10 ,"mA",1,"mA",100d,"A",1,"V",5,"V",10 ,"V",10 ,"V",1,"A",1,"A" ;;"a",20,114r,140,116t,-110n,"*" =@k=(-/3)+2*/21̧/32*/21 @L80P+63?*(k),76L+63?*(k):13 *(k),13 *(k) Bk EUk=(-/3)+2*/42*(/3)-2*/42*2*/21 GJ80P+66B*(k),76L+66B*(k):7*(k),7*(k) Hk J/4,3;"0":4,16;gi;z$ Lcr(1)=((*40()*gi/502)+(2*gi/502):k=15:m(k)=36$:k Nz=-gi/502 Pr(2)=r(1)-2*gi/502:r(3)=r(1)-gi/502:r(4)=r(1)+gi/502:r(5)=r(1)+2*gi/502 TNgj=((-/3)+(2*/21)+(r(1)*10 */(21*gi))) VH80P+40(*gj,76L+40(*gj:40(*gj,40(*gj Wx3,21;"The reading":4,23;"on this":5,21;"meter in ";z$:6,21;"is" ^ h8,156:244,0:8,132:244,0:k=12 212100d:k,132:0,11 :k:k=12 25010 :k,132:0,6:k mGgi=(*15):gj=(*10 )*0.1}L+(*10 )*0.01z# = oQ3,1;gi:3,13 ;gi+1:3,26;gi+2 r4+gj*100d,132:0,-11 :116t,0:0,11 :12 +gj*100d,124|:0,8:-4,-4:4,4:4,-4 wZk=gj*100d+12 gj*100d+102f9 :k,132:0,-4:k |37,1;"The reading on this vernier is" nr=4:r(1)=gi+gj:r(2)=gi+gj+0.01z# =:r(3)=gi+gj-0.1}L:r(4)=gi+gj+1:r(5)=gi+1-gj %k=16:m(k)=42*:k  4000   nr=4 gi=(*115s)-5 a36$,142:0,4,-5.89:38&,138:0,12 ,-5.2&fff 38&,150:134,0:0,-12 ,-:-134,0:36$,146:134,0:0,-4,-:-134,0 uk=42*17210 :k,146:0,2:k:2,6;"0C":2,18;"100C" bk=0̧ͧ/30:28-8*k,144+8*k:0,-2*8*k:k 9k=36$524+gi:k,142:0,4:k %k=15:m(k)=43+:k mr(1)=gi:r(2)=gi+2:r(3)=gi-2:r(4)=gi-10 :r(5)=gi+10 Y6,1;"The reading on this mercury":7,1;"thermometer in C is"  g8,120x:120x,0:k=12 124|4:k,120x:-2,-4:k Ή32 ,120x:64@,0,-:k=0̧ͧ/18:64@+30*k,120x+30*k:4*k,4*k:k 4,7;"90" {gi=(*175)+5:gj=gi*/180:64@+39'*gj,120x+39'*gj:-39'*gj,-39'*gj )gi>90Zgi=gi-90Z:4312 gi=90Z-gi yr(1)=gi:r(2)=90Z-gi:r(3)=90Z+gi:r(4)=gi+2:r(5)=gi-2:nr=4 ڧ2,16;"The angle":3,16;"between the ray":4,16;"and the normal":5,16;"to the mirror":6,16;"in is" <k=13:m(k)=44,:m(k+3)=45-:k  8,116t:0,40(:96`,0:0,-40(:-96`,0:k=12 100d8:k,116t:0,40(:k:k=120x1528:8,k:96`,0:k 5gi=(*12 )+6:gj=(*80P)+502 #gk=((*5)+1)*4 ;k=*1:gy=(gi*(k*)):gx=8:gx,gy+136 gx>102f4360 92,(gi*(k*))-gy:gy=(gi*(k*)):gx=gx+2 k=k+10 /gj:4355 w3,14;"1 division is ";gk;" V":5,14;"This voltage has":6,14;"an amplitude of"  gi=gi*gk/8:nr=5:r(1)=gi:r(2)=2*gi:r(3)=gi-1:r(4)=gi+1:r(5)=2*gi+1:r(6)=2*gi-1 %k=18:m(k)=46.:k & 016,114r:0,44,:64@,114r:0,44,:gi=(*200)+30:k=116t15620:64@,k:16,0:k:k=116t1564:64@,k:8,0:k 1gz=((*1))*10 2Wgk=(gi/10 )*10 :7,10 ;gk-gz:2,10 ;gk-gz+20 :)gj=116t+2*gz+(gi-gk)*2 <k=(*5)+1 >k=1k=-1 @k1k=1 Bp16,gj+k*8:8,-1*k*8,k*/2:32 ,0:8,k*8,k*/2 Dp3,13 ;"The reading on this":4,13 ;"measuring cylinder":5,13 ;"in cm is" Inr=6:r(1)=gi:r(2)=gi+2:r(3)=gi-2:r(4)=gi-4:r(5)=gi+4:r(6)=gi-1:r(7)=gi+1 L%k=18:m(k)=40(:k N bZgn=0:gi=(*9 )+1:gj=(*2)/2:gk=(*502)/100d cgl=4*(gi+gj+gk):5,0;"":4,0;"":3,0;" ":2,0;" " d0,140:0,-8:12 ,0:0,8:-12 ,0:k=27:k,7;" ":k fP568,132:-44,+gl,0:0,8:44,-gl,0 h76L,136:gl,0:72H,144:gl+4,0:72H,128:gl+4,0:k=76L76L+gl4:k,136:0,4:k jJk=78N78N+gl-24:k,136:0,-4:k kUgm=((gk*10 )-((gk*10 )))*10 :gm>5gn=5:gm=gm-5 l 76L+gl+480,116t:-480,0:0,40(:480,0:76L+gl,136-gm*4:12 ,0:76L+gl,136+20-gm*4:12 ,0:k=116t1524:76L+gl,k:6,0:k n6,(76L+gl+16)/8;((gk*10 ))*10 +gn:3,(76L+gl+16)/8;((gk*10 ))*10 +gn+5 o|3,20;"The reading":4,20;"on this":5,20;"micrometer":6,20;"in mm is" qnr=4:gm=gi+gj+gk:r(1)=gm:r(2)=gm+0.01z# =:r(3)=gm-0.01z# =:r(4)=gm-0.5:r(5)=gm+0.5 v%k=18:m(k)=37%:k  gk=1:6100: gk=2:6100: gk=3:6100: *gk=4:6100: \gk=5:6100: gk=6:6100: gi,gj:gk=(*(gj-gi))+gi:  gi,gj,z$:gn=(*(gj-gi))+gi: $ 4,116t:0,40(:168,0:0,-40(:-168,0:84T,116t:0,40(:4,140:168,0 .3,1;"Absorber":3,11 ;"count rate":5,3;"air":6,1;z$:5,14;gk:6,14;gn 3\3,22;"The source":4,22;"could be":5,22;"emitting" 8 4,134:0,12 :16,0:0,-12 :-16,0:20,150:80P,0:k=20100d8:k,150:0,-4:k  2,2;"0":2,11 ;"10cm":5,3;"":5,12 ;"":6,2;gk;" c/s":6,11 ;gn;" c/s" b4,1;"s":3,16;"The particles ":4,16;"emitted could be": 3,14;"This track of a":4,14;"particle in a":5,14;"magnetic field":6,14;"could be made by": p6,4;"object":6,14;"image":2,21;"These could":3,21;"be the":4,21;"object and":5,21;"image":6,21;"using a": z-10 ,8:6,0:0,16:8,0:0,-16:6,0:-10 ,-8: 0,16:-6,0:10 ,8:10 ,-8:-6,0:0,-16:-8,0: 0,12 :-4,0:6,4:6,-4:-4,0:0,-12 :-4,0: -6,4:4,0:0,12 :4,0:0,-12 :4,0:-6,-4: ~0,6:-2,0:3,2:3,-2:-2,0:0,-6:-2,0: -3,2:2,0:0,6:2,0:0,-6:2,0:-3,-2:  6000p e40(,132:gm=(gk-1)*6+(*6)+1:6000p+e(gm,1)*10 8128,132:6000p+e(gm,2)*10  ,c1:" How much do you know about":1,2;"PHYSICS (part 2)":0: h:6700,:2:12 ,0;"Press STOP on your tape recorder":0:1890b: :6700,:1:4,1;"If you run the program again":5,1;"you will not get exactly the":7,1;"same tests." 0:10 ,3;"To run this program again":11 ,10 ;"press RUN":14,3;"To load and run QUESTIONS3":15,10 ;"press NEXT":0  18,4;"To load a later program":19,2;"wind on the tape before you":20,10 ;"press NEXT" ="r"Ŧ="R":10 ="n"Ŧ="N"6950&  6915 &R:2:19,0;"Press PLAY on your tape recorder":0:"" W Xh"t",4,1,"To measure the diameter of a","t",5,1,"piece of wire","s",1,"*" Y1,1,5,401,0,403,2,404,1,405,1,414,10 ,415,3,0 Z"t",4,1,"To measure the diameter of a","t",5,1,"table tennis ball you would ","t",6,1,"use","*" [1,1,5,403,0,401,6,404,6,405,6,414,10 ,415,3,0 \_"t",4,1,"To measure the length of a","t",5,1,"pencil","s",1,"*" ]1,3,4,404,405,416,0,401,9 ,403,9 ,414,10 ,415,3,0 ^^ "t",4,1,"To measure the height of a","t",5,1,"room","s",1,"*" _ 1,1,4,405,0,401,11 ,403,11 ,404,11 ,416,11 ,0 `]"t",4,1,"To find the volume of a stone","t",5,1," ","s",1,"*" a|1,1,4,412,0,413,12 ,401,4,403,4,405,4,0 b"t",4,1,"To find the mass of 1 marble","t",5,1,"in a bag of 100 identical","t",6,1,"marbles","s",1,"*" c1,1,6,413,0,428,13 ,405,4,425,14,423,14,403,4,401,4,0 d"t",4,1,"To measure the angle of","t",5,1,"incidence in a light","t",6,1,"experiment","s",1,"*" e1,1,5,414,0,415,3,404,4,403,4,401,4,427,17,0 f"t",4,1,"To measure the pressure of","t",5,1,"the gas in the gas supply ","t",6,1," ","s",1,"*" g1,1,7,425,0,424,18,423,19,428,13 ,401,4,412,20,403,4,422,21,0 h"t",4,1,"To measure the change of","t",5,1,"temperature between 6am and ","t",6,1,"6pm","s",1,"*" i 1,1,5,421,0,426,22,422,21,425,14,427,17,423,14,0 j"t",3,1,"To measure how long it takes","t",4,1,"for a runner to move between","t",5,1,"two lines on a track you would","t",6,1,"use","*" k{1,1,4,426,0,405,4,401,4,429,4,424,4,0 l "t",4,1,"To take distances from the","t",5,1,"screen of an oscilloscope","t",6,1," ","s",1,"*" m1,2,4,415,416,0,404,27,405,27,431,1,401,27,0 n"t",3,1,"To measure the inside diameter","t",4,1,"of a cylinder in a car engine","t",5,1," ","s",1,"*" o1,1,5,403,0,401,5,404,7,405,1,412,20,415,3,0 pY"t",4,1,"A spring balance can be used","t",5,1,"to measure","*" q1,2,4,140,104h,0,105i,33!,106j,33!,109m,34",110n,34",0 "s",2,"*" -1,1 "s",3,"*" -1,2 "s",4,"*" -1,3 "s",5,"*" -1,4 "s",6,"*" -1,5 "s",7,"*" -1,6 "s",8,"*" -1,7 "s",2,"*" -1,8 "s",3,"*" -1,9 "s",4,"*" -1,10 "s",5,"*" -1,11 "s",6,"*" -1,12 "s",7,"*" -1,13 "s",8,"*" -1,14 "s",9 ,"*" -1,15 "s",9 ,"*" -1,16 "s",3,"*" -1,17 "s",3,"*" -1,18  j"t",4,1,"To measure the e.m.f of a dry","t",5,1,"Leclanche cell","s",1,"*" !1,1,4,407,26,406,343W,408,16,409,16,410,16,0 ""t",4,1,"To measure the rate of flow of","t",5,1,"electrons along a conductor","t",6,1," ","s",1,"*" #1,1,7,411,23,407,23,426,24,429,4,421,25,423,14,424,18,427,17,0 $"t",3,1,"To measure the change in ","t",4,1,"energy of electrons as they","t",5,1,"pass through a lamp you would","t",6,1,"use","*" % 1,1,4,418,0,420,26,421,25,427,17,422,21,0 &"t",3,1,"To show that a variable ","t",4,1,"resistor can be used to change","t",5,1,"the current","s",1,"*" '1,1,4,419,0,420,28,417,23,418,23,430,29,0 (i"t",4,1,"To decide if a car battery","t",5,1,"needs recharging","s",1,"*" )1,1,4,418,0,420,16,421,25,427,17,422,21,0 *"t",2,1,"A 10 ohm resistor has a p.d.","t",3,1,"of 5V across it. This is the","t",4,1,"most suitable instrument to","t",5,1,"use to measure the current","t",6,1,"flowing","*" +1,1,5,411,0,410,30,409,343W,408,30,407,23,406,23,0 ,"s",10 ,"*" -1,1,7,161,480,160,491,163,491,164,491,188,491,189,491,191,491,194,491,0 ."s",11 ,"*" /1,5,7,191,160,190,188,163,480,161,535,162,535,164,535,189,535,192,535,193,535,194,535,0 0"s",12 ,"*" 11,1,8,164,480,160,502,161,502,162,502,163,502,194,502,191,502,190,502,192,502,0 2"s",13 ,"*" 31,3,7,160,163,190,480,160,513,161,513,162,513,164,513,188,513,191,513,192,513,0 4"s",14,"*" 51,3,7,163,189,192,480,161,546,162,546,160,546,164,546,190,546,194,546,193,546,0 6"s",15,"*" 71,2,4,160,163,480,161,524,162,524,164,524,189,524,0 8S"t",4,1,"An ammeter can be used to","t",5,1,"measure","*" 9 1,1,6,112p,0,113q,32 ,114r,31,115s,31,104h,31,110n,31,129,32 ,0 V"s",16,26,62>,"s",17,2,7,"paper","s",18,"*" 1,1,5,76L,3128,77M,328H,78N,328H,79O,328H,80P,328H,81Q,326F,1 ]"s",16,100d,152,"s",17,6,12 ,"aluminium","s",18,"*" 1,2,4,80P,77M,3128,76L,329I,81Q,326F,78N,329I,79O,329I,2 ^"s",16,100d,110n,"s",17,80P,95_,"aluminium","s",18,"*" 1,3,4,78N,79O,81Q,3128,76L,329I,77M,329I,80P,329I,85U,342V,3 R"s",16,502,70F,"s",17,2,6," ","s",20,"*" 1,1,5,76L,3128,77M,342V,78N,340T,79O,330J,80P,342V,81Q,340T,0 V"s",16,100d,120x,"s",17,20,30," ","s",20,"*" 1,2,4,77M,79O,3128,76L,330J,78N,340T,80P,342V,81Q,340T,0 X"s",16,300,,350^,"s",17,200,230," ","s",20,"*" 1,4,4,80P,81Q,78N,93],3128,76L,330J,77M,330J,79O,330J,85U,342V,0 "t",3,1,"Emissions which are deflected","t",4,1,"by electric and magnetic","t",5,1,"fields could be","*" 1,4,4,76L,77M,80P,84T,3128,78N,319?,79O,319?,81Q,319?,85U,319?,0 z"x",4,132,16,16,"a",20,144,100d,116t,-*60<+20,"s",21,"*" 1,5,4,76L,78N,80P,84T,83S,319?,81Q,319?,85U,319?,77M,319?,93],319?,8 z"x",4,132,16,16,"l",20,140,*502+30,*30+124|,"s",21,"*" 1,3,5,85U,81Q,93],320@,76L,320@,77M,320@,78N,320@,79O,320@,80P,320@,9 1,"alpha" 1,"alpha and beta" 1,"beta and gamma" 1,"alpha and gamma" 1,"beta" 1,"gamma" 1,"electron" 1,"proton" 1,"neutron" 1,"neutron & gamma" 1,"force" 1,"acceleration" 1,"deceleration" 1,"density" 1,"pressure" (1,"size of the electric current"  1,"potential difference" 1,"resistance" 1,"charge" 1,"e.m.f." 1,"weight" 1,"convex lens" 1,"convex mirror" 1,"concave lens" 1,"concave mirror" 1,"plane mirror" 1,"microscope" !1,"terrestrial telescope" "1,"astronomical telescope" 1,"slide projector" 1,"binoculars" 1,"magnifying glass" 1,"camera" 1,"a micrometer" 1,"vernier callipers" 1,"a mm. rule" 1,"a metre rule" 1,"a voltmeter (0-1v)" 1,"a voltmeter (0-10v)" 1,"an ammeter (0-1mA)" 1,"an ammeter (0-10mA)" 1,"an ammeter (0-100mA)" 1,"an ammeter (0-1A)" 1,"measuring cylinder" 1,"top pan balance" 1,"protractor" 1,"dividers" #1,"strip of mm graph paper" &1,"a low resistance voltmeter" '1,"a high resistance voltmeter" $1,"a low resistance ammeter" %1,"a high resistance ammeter" 1,"thermometer" 1,"thermopile" 1,"barometer" 1,"anemometer" 1,"manometer" 1,"stop watch" 1,"light meter" 1,"spring balance" 1,"pedometer" -2,"an ammeter with zero","resistance" >2,"a tape measure at least 5m","long graduated in cm." #(-1," " #)?2,"You need to measure several mm","to at least 0.1mm." #*J2,"There is an instrument in the","list which measures to 0.05mm." #+>2,"This is used to 'transfer' a ","distance to a rule" #,.2,"This measures length or","distance" #-72,"This can only measure an","OUTSIDE distance" #.82,"A tennis ball has a diameter","of about 8cm." #/>2,"You cannot line the edge up","accurately with this" #1=2,"The pencil is too long to be","measured with this" #2*1,"This is used to measure angles" #3.2,"Most rooms are at least 2m.","high" #41,"This measures mass" #5(1,"This measures FORCE not MASS" #6"1,"This measures PRESSURE" #7*1,"The e.m.f of this cell is 1.5v" #8/2,"E.m.f is a voltage not a ","current" #9C2,"A light-meter measures how","much light energy there is" #:$1,"This measures wind speed" #;D2,"This measures AIR pressure and","is not sensitive enough" #< 1,"This measures VOLUME" #=02,"This measures radiant HEAT ","energy" #>12,"This measures TIME not ","TEMPERATURE" #?62,"Electron flow is a CURRENT not","a VOLTAGE" #@=2,"This measures TIME not how ","many electrons flow" #A%1,"This measures temperature" #B@2,"An energy change is a p.d. and","therefore a VOLTAGE" #CA2,"The screen is often recessed","and this would not fit" #D32,"Ammeters always have a LOW","resistance" #EF2,"The coil in the ammeter will","ALWAYS have some resistance" #F(1,"The current is 0.5A, 500mA." #G32,"An ammeter 'counts' electrons","flowing" #H82,"This measures the energy of ","the electrons" #LE2,"Remember to look carefully at","the size of the divisions" #M>2,"Have you counted the correct","number of half mm ?" #N1,"Is it AC or DC ?" #O&1,"Is it voltage or current ?" #P:2,"Are you reading the bottom","of the meniscus ?" #QG2,"Have you thought that the time","base might be turned OFF ?" #RL2,"The gives the mm. Then match","lines up & take line on vernier" #S<2,"You will have to estimate to","the nearest degee" #T:2,"The normal is at right angles","to the surface" #U? 2,"Measure the angle between the","normal and the ray" #V82,"The amplitude is from the","centre to a peak" #W92,"Have you counted correctly","from the 0 end ?" #X3,"Mirrors Lenses " #Y 1,"Car rear view mirror" #Z1,"It must be flat" #[D2,"The image distance is smaller","than the object distance" #\1,"Object is at 2f" #]D2,"The object distance is smaller","than the image distance" #^/2,"A shaving mirror or an","'enlarger'" $`3,"Radio-activity" $g02,"The particle(s) must have a","charge" $h12,"The particle(s) must have no","charge" $n72,"Gamma is absorbed only by","dense materials" $p12,"Paper absorbs alpha but","little beta" $q*1,"Aluminium absorbs alpha & beta" $rB2,"Alpha particles have a range","of only a few cm in air" $~82,"Neutrons pass straight through","most matter" $'1,"Correct meter : wrong range" '-1," " B C QUESTIONS3h* :7:7:0  6800 n=1 x$=" " &b$=" " 2za(15):b(15):r(9 ):m(9 ):d(9 ):l(3,5):c(3,5):n(4,2) F"m$="I'm mixing up the questions" JI12 ,12 ,14,14,15,15,12 ,12 K<74J:i=14:n(i,1):n(i,2):i L_ox=0:oy=0:oc=0:ol=0:ink=0:paper=7:x=*65536: ^U9 ,1,11 ,1,13 ,1,15,1,17,1 _i94^:j=15:l(1,j):c(1,j):j:wipe=2250:wait=1890b:400 , 350^ .z$ 0z$="*"490 2'i=0 7:row:z$+i,row:i 4 302. `J"t",1,2,2,4,132,72H,40(,16 w"*" :6700, k4,12 :0,144:248,0:0,-144:-248,0:i=0 ,3,1;"This program gives you " +4,1;"practice at answering " a2:5,1;"True/false";:0:" and ";:2:"Multiple choice":0 6,1;"questions." /8,1;"There is a range of topics" 29 ,1;"to choose from. If you do not" 10 ,1;"get a question correct then":11 ,1;"help is given. A message is":12 ,1;"shown to give a hint or an":13 ,1;"explanation. Have your GEM":14,1;"ready." E 16,1;"For the ";:2:"multiple choice":0 /17,1;"questions you can have a " 718,1;"second try. Pressing * at any" 019,1;"time RESTARTS the program." 7:300, 0.1}L,0:wait  x$=" ":m1=2:3000 tp=v t$=c$ v=69E6900 m1=1:3000 h=v h$=c$ h=67C500 h=68D6900 X>qp=5001+(h-65A)*1000+(tp-65A)*502 Y Z$3500 +(h-64@):h$:x$=h$ [!3600+(tp-64@):t$,i$ ]P:0,(16-(t$)/2);t$:1,(16-(i$)/2);i$ ^'3,(16-(h$)/2);h$ `qp bh=66B1000 lh=65A1900l yk=115:b(k)=0:k:t=0:fg=1:p=5000+(tp-65A)*100d:1800:q=1 :1906r Aol=19:oc=0:tf=1a$="t":r$="T":1015 a$="f":r$="F" G7:1:19,2;"Press T or F to answer";  c$="":c$= c$="*"500 )c$="t"c$="T"c$="f"c$="F"1025  1020 c$=a$c$=r$2260:4:21,0;"good":ink:tt=tt+1:6:0,30;tt:7:0.5,12 :b(q)=1:t=t+1:1050 2:21,0;"wrong";:ink:0.5,-12 :2260:wait:5:9000(#+m:2200:7:1050  1020 wait &t=n(tp-64@,1)1500 $ q=q+1 )%q>n(tp-64@,1)q=1 +'b(q)=1q=q+1:1065) . 1008  :5 ށ2:1,(16-h$/2);h$:3,(16-t$/2);t$:4,(16-i$/2);i$:0 f8,1;"If you try this test again it":10 ,1;"will not be exactly the same." $i=020:0.1}L,i:i wait:7:500 p  0i=1n(tp-64@,h-64@):a(i)=i:i i=1̱m$ 17,i+1;m$(i); 0.1}L,-10 +i *x=(*n(tp-64@,h-64@))+1 *y=(*n(tp-64@,h-64@))+1 !z=a(x):a(x)=a(y):a(y)=z &i + tt=0 0wait: :Wtt=tt+1:6:0,30;tt:7:wipe:19,0;b$+" " ?i4:21,0;"right";:4:0:l(rt,cp),c(rt,cp);(64@+cp);:7:ink D0.5,12 I Nwipe Sf2:21,0;"wrong";:2:0:l(rt,c),c(rt,c);(64@+c);:7:ink Twf=01880X UM1:4:0:l(rt,cp),c(rt,cp);(64@+cp);:ink:0 X0.5,-12 ] b;0:21,7;"Press SPACE to continue"; c&c$="":c$=:c$01891c e c$="":c$= fc$=" "1897i gc$="*"500 h 1892d i'21,0;" ";:0: l=t=0:p=7000X+(tp-65A)*100d:1800 m3i=1n(tp-64@,2):b(i)=0:i nq=1:fg=0 r:6:0,29;"";tt:7:ol=0:oc=0:ox=0:oy=0:7000X+((tp-65A)*100d)+(a(q)-1)*2:0:0,0;t$:1,0;i$ t 2140\ vfg=01918~ w_1:7:j=813 :j,0;b$+" ":j:i=1:10 ,0;" "; x.tf=1:(*2)=0tf=0 {Qtf=18000@+d((*nc)+1):m=m(1):2370B :1012 |rr=(*nr)+2:8000@+r(rr):m=m(rr):1:7:j=813 :j,0;b$+" ":j:10 ,0;" ";:2370B :7:0:1012 i=2nr+1 x=(*nr)+2 y=(*nr)+2 j=r(x):r(x)=r(y):r(y)=j j=m(x):m(x)=m(y):m(y)=j i cp=(*5)+1 j=r(1):k=m(1) ?i=1cp-1:r(i)=r(i+1):m(i)=m(i+1):i r(cp)=j:m(cp)=k 614,0;" ":14,31;" ";:wipe ]14,1;b$;:1:i=819:i,0;b$+" ":i:i=15 i 0:6:l(rt,i),c(rt,i);(64@+i);:1:7:" ";:8000@+r(i):2370B  wf=0 i 7:0 ol=19:oc=0 0:21,0;" Press the ":6:21,11 ;"LETTER":7:1:21,18;"to answer";:ink  c$="":c$= c$="*"500 (c$>64@Ưc$<70 F1970 )c$>32 Ưc$<102 f1970  1955 E20,0;b$+" ";:c$>96`c=c$-96`:1980 c=c$-64@ ?c=cpt=t+1:b(q)=1:1850::wait:1990 22000:t=n(tp-64@,2)1500 bi=01986  q=1 a(q)=bi1987 3q=q+1:qn(tp-64@,2)1984 2q=q+1:q>n(tp-64@,2)q=1 b(q)=11986  1906r &t=n(tp-64@,2)1500  1986 Вwf=12260:1870N:7:0:wait:5:9000(#+m(cp):0:2200:7:0:wf=0:wait: A1870N:wait:5:9000(#+m(c):2200:7 wf=1:wait:wipe \2260:1:20,0;" Have another try ":ink:1950 c$ c$="*"23608 c$="l"2500 c$="d"2550 c$="t"2700  c$="c"2820 c$="s"2650Z c$="b"2750 c$="x"2800  2020 * 4n,a: H q=1 In Jn=02130R La(q)=n Nq=q+1:2121I R \U5:i=27:i,0;b$+" ":i:0:2020:7:ink ]#rt:nc:nr:i=1nc:d(i):i ^$i=(*nc)+1:r(1)=d(i) _1fr=0:rt=-1fr=1:rt=1 a1m(1):i=2nr+1:r(i):m(i):i fbi k l:l=-12220 ,i=1920:i,0;b$+" ";:i Yl=3c$:ol,oc;"This GEM reference may help you:":ol+1,oc;c$:2220 c$:ol,oc;c$; l=12220 c$ ol+1,oc;c$; -ol=19:oc=0:7:0: -0:7:21,0;b$+" ";  19,0;b$+" ";  nc i=1nc:d(i):i #l=(*nc)+1:8000@+l 2200: 8<ox=0:oy=0:oc=0:ol=0:2090* Cn Gr$:r$ In=2r$:" ";r$; K eW 1:7+2*i,1;(64@+i);" ";:ink:8000@+r(i):resp: x,y,a,b 2x=x+ox:y=y+oy:a=a+ox:b=b+oy:x,y:a-x,b-y: x=a:y=b:x,y:2505 ( x,y,h,w,a -x=x+ox:y=y+oy 2x,y:h-x,w-y,a*/180 7 Zn:4000+(n*502): l,c,x$:ol+l,oc+c;x$;: Nx,y:x=x+ox:y=y+oy:i=-11:j=-11:x+i,y+j:j:i: x,y,h,w x=ox+x:y=y+oy 3x,y:0,h:w,0:0,-h:-w,0  x,y,r:x,y,r: :7 &#3500 +(m1-1)*100d + 1 ,%0,16-(x$/2);x$ ./h$:1,2;h$:n=0:m=1 8h$,i$ :h$="*"3200 D1:7 N%(3+n),2;(64@+m); X7:0 b(3+n),4;h$ g&n=n+1:(3+n),4;i$ q&n=n+2:m=m+1:31288 1 " ":" "; )"Press a LETTER to choose":7 m1=1" ":1:7:b$:" Remember that pressing * and ":" symbol shift will take you ":" back to choose another topic. ":b$:7:0 (c$="":c$=:c$03205 c$="":c$= c$="*"start v=(c$) 'v>64@v<(64@+m)3800 'v>96`v<(96`+m)3800 3210 "CHOOSE THE TYPE OF QUESTION" "Multiple choice"," " "True or false"," " "Choose another topic"," " "Finish using the program"," " "*" "CHOOSE YOUR TOPIC" "Waves and light"," " &"Electricity and electro-","statics" "Mechanics"," " &"Magnetism and Electro-","magnetism"  "Finish using the program"," " j "*"," " v>96`v=v-32  xk=96`120x4:k,128:k,156:k:k=1281564:96`,k:120x,k:k: 67,1;"Inside the box there could be a": 4000:gi=72H-(*64@):(*4)=18,152:88X,0:8,132:88X,0:4030 Igi,142:96`-gi,10 :gi,142:96`-gi,-10  v3,11 ;"As this solid block":4,11 ;"is moved down":5,11 ;"through the liquid": Gll,hh,u$:v=(*(hh-ll)/5)*5+ll:3,1;v;u$: h]4,116t:0,40(:568,0:0,-40(:-568,0 mek=1̺(*30)+10 :5+(*557),117u+(*39'):0,0:k  6gi=(*17):gj=(*17):gk=(*14) 4,156:0,-40(:80P,0:0,40(:20+gi,156:0,-36$:480-gi-gj,0:0,36$ X4,129+gk:gi+16,0:84T,129+gk:-gj-16,0 ,2,1;"A":2,9 ;"B"  5gi=(*40()+16:gj=(*16)+8 gk=(84T-gi)/2 э2,140:gk,0:86V,140:-gk,0:2+gk,148:0,-16-gj:gi,0:0,16+gj  y2,152:84T,0:gk=(*16)+8:gi=(*(32 -gk))+8:gj=(*40()+16 T44,-gj/2,152-gk:gj,0:0,-gi:-gj,0:0,gi  04,140:0,16:16,0:0,-16:-16,0:20,148:12 ,0:-4,4:4,-4:-4,-4 23,1;"A" 5 b84T,116t:-80P,0:0,40(:80P,0:60<,116t:0,40(:68D,156:0,-40(:68D,136:12 ,0 gek=1̺(*30)+10 :5+(*557),117u+(*39'):0,0:k l ]4,140:0,16:40(,0:0,-16:-40(,0 ;(*2)=13,1;"N S":4520 3,1;"S N" E60<,140:0,16:40(,0:0,-16:-40(,0:3,8;"coil":64@,140:0,-14:4,0:80P,126~,12 :80P,118v:0,10 :80P,132,2:92\,126~:4,0:0,14 (2,13 ;"When the magnet is" 0(*2)=1z$="towards":4532 z$="away from" &3,13 ;"moved ";z$;" the" o 4,13 ;"coil and then held":5,13 ;"stationary the":6,13 ;"needle could"  *,3,1;"Mixing coloured light": \Ck=1̺(*4)+1:z$:k:5,1;z$;" =": e3,1;"A moving coil meter measures":4,1;"small currents. To convert it": 0z$="S":x$="N":gi:gi=1z$="N":x$="S" 4,119w:0,10 :32 ,0:0,-10 :-32 ,0:4,143:0,10 :32 ,0:0,-10 :-32 ,0:gi=(*2) D gi=0 6,2;z$:3,2;x$:4820 *6,2;x$:3,2;z$ Y20,136,4:gi=020,136:1,1:4825 K18,138:4,-4:18,134:4,4 68D,148,4:68D,148:3,10 ;"Current OUT":68D,132,4:66B,134:4,-4:66B,130:4,4:5,10 ;"Current IN" % 7,6;"The wire will":  z$,gi:k=1̺(*gi)+1:x$:k:4,120x:0,24:4,0:20,144,12 :12 ,144:16,0,-:12 ,140,2:28,142:0,-4:20,136:0,18 32 ,144:8,0:40(,132:0,24:44,,136:0,16:44,,144:16,0:0,-4:8,0:0,-16:-16,0:0,16:8,0:5,7;"X" 60<,124|:0,-4:-20,0:0,-4:-24,0:0,8:24,0:0,-4:16,120x:-12 ,0 2,10 ;"X is a ";z$;".":3,10 ;"When X is replaced by":4,10 ;"a ";x$:gj=k:k=gjgi:x$:k:  $12 ,144:16,0:8,148:24,0:20,148:0,8:480,0:0,-8:5,0:0,-20:-10 ,0:0,20:5,0:4,8;"X":68D,128:0,-8:-480,0:0,4:20,132,8:5,2;"A" )20,140:0,4:44,,156:0,-8:5,0:0,-20:-10 ,0:0,20:5,0:44,,128:0,-8:4,5;"Y" .z$:2,11 ;"Another resistor R is":3,11 ;"added to the circuit":4,11 ;"and the reading on":5,11 ;"the ammeter gets":6,11 ;z$:7,11 ;"R could be connected" Q Vez$,gi:12 ,132:0,24:88X,0:0,-24:-88X,0 X3,10 ;z$:4,10 ;z$:116t,132:0,24:80P,0:0,-24:-80P,0:4,15;"X metal Y" Zgi=1196,144:28,0:0,-8:-16,0:32 ,0:216,132:16,0:220,128:8,0 \[6,1;"The charge(s) ,if any, at":7,1;"X and Y could be" ` Zz$,x$:(*2)=0z$,x$:3,1;z$:4,1;x$:5010 13,1;z$:4,1;x$:z$,x$ >z$,x$:(*2)=05,1;z$:5020 5,1;x$   4020 igi=(*96`):120x,152:gi+32 ,-10 :120x,132:gi+32 ,10 4010: i4020:124|,154:40(,5:124|,130:40(,-5:4010: i4020:96`,148:-24,-6:96`,136:-24,6:4010: ,c1:" How much do you know about":1,2;"PHYSICS (part 3)":0: 1:6700,:3,2;" Collins 1985" Z2:10 ,0;"Press STOP on your tape recorder":0:1890b: :6700,:1:4,1;"If you run this program again":5,1;"you will not get exactly":6,1;"same tests":0:10 ,2;"To use this program again";11 ,10 ;"press RUN" O14,2;"To load and run GAME1";15,10 ;"press NEXT" 18,0;"To load and run a later program";19,2;"wind on the tape before you";20,10 ;"press NEXT"  c$="":c$= c$="R"c$="r":10 Xc$="N"c$="n":2:17,0;"Press PLAY on your tape recorder":""  6905 X"s",20,"When water waves enter a","shallower region","When light enters a glass","block","the speed","the wavelength","*" Y1,2,5,3,10 ,466,1,461,2,461,4,462,5,462,6,462,0 Z"s",20,"When water waves enter a","deeper region ","When sound waves moves from air","into steel ","the wavelength","the speed","*" [1,2,4,2,9 ,466,8,461,4,462,5,462,3,461,0 \i"t",3,1,"When water waves enter a","t",4,1,"shallower region the frequency","*" ]1,3,5,1,7,8,466,2,463,3,463,4,463,5,463,6,463,0 ^"s",21,"*" _1,1,5,160,470,161,467,162,465,163,467,164,467,166,471,0 `"s",22,"*" a1,1,5,162,470,161,467,160,465,163,467,164,467,166,471,0 b"s",23,"*" c1,1,5,163,469,160,468,161,472,162,468,164,473,166,471,0 d"s",20,"When a pipe with a longer","length is used the","When the length of a vibrating","string is made longer the","lowest resonant wavelength","distance between NODES","*" e1,2,5,2,9 ,477,8,476,10 ,476,5,476,6,476,14,476,0 f"s",20,"When the tension of a vibrating","wire is decreased","When a wind instrument is taken","outside into a frosty night","the fundamental frequency","the speed of the waves","*" g1,2,5,3,10 ,477,8,478,9 ,478,5,478,6,478,14,478,0 h8"s",13 ,"t",5,1,"red + green = ","*" i1,1,8,127,488,119w,489,120x,489,121y,489,123{,488,124|,494,125},493,126~,491,128,490,10 j8"s",13 ,"t",5,1,"blue + green =","*" k1,1,8,125},488,119w,489,120x,489,121y,489,123{,488,124|,494,126~,491,127,492,128,490,9 nd"s",13 ,"s",14,"green + magenta","blue + yellow","red + green + blue","red + cyan","*" o1,1,8,128,488,119w,489,120x,489,121y,489,123{,488,124|,494,126~,491,127,492,125},493,9 u"s",17,"wire",4,"resistor","thermistor","lamp","voltmeter","t",5,10 ,"The meter reading","*" 1,1,5,10 ,496,21,496,1,496,30,496,644,496,9 ,496,0 ª"s",17,"lamp",5,"open switch","battery","closed switch","wire","diode","t",5,10 ,"this is not true:","t",6,10 ,"The meter reading","*" ë1,4,4,7,8,11 ,1,497,21,497,10 ,497,30,497,644,497,9 ,497,0 "t",2,1,"When a component is connected","t",3,1,"in series with a lamp using","t",4,1,"an AC supply the brightness of","t",5,1,"the lamp gets less,but is not","t",6,1,"out. The component could be a","*" ǣ1,5,4,142,144,508,141,527,0,526,0,100d,0,509,0,510,0,0 "s",18,"larger","*" ɤ1,4,4,630v,632x,634z,637},485,631w,484,633y,484,635{,484,636|,484,10 "t",2,1,"When a component is connected","t",3,1,"in series with a lamp working","t",4,1,"an AC supply the brightness of","t",5,1,"the lamp does not change. The","t",6,1,"component could be a","*" ͙1,1,5,526,487,518,411,527,486,147,412,148,421,142,483,0 "s",18,"smaller","*" ѣ1,4,4,631w,633y,635{,636|,485,630v,483,632x,483,634z,483,637},483,9 "s",19,"--",0,"*" ә1,1,5,638~,324D,639,322B,640,322B,641,322B,642,322B,643,322B,0 "s",19,"++",0,"*" ՙ1,1,5,641,324D,638~,321A,639,321A,640,321A,642,321A,643,321A,0 "s",19,"--",1,"*" י1,1,5,642,324D,640,323C,638~,323C,639,323C,641,323C,643,323C,0  "s",5,"t",2,11 ,"More water is poured","t",3,11 ,"into B. The","t",4,11 ,"pressure at the","t",5,11 ,"liquid surface in A","*" !1,4,5,1,7,8,11 ,431,2,426,3,431,14,426,5,431,6,426,2 ""s",5,"t",3,11 ,"More water is poured","t",4,11 ,"into A. The pressure","t",5,11 ,"at the bottom of B","*" #1,2,4,2,9 ,426,3,426,5,426,7,426,10 ,426,1 $"s",6,"t",3,11 ,"As this barge is","t",4,11 ,"filled up with coal","t",5,11 ,"the upthrust from","t",6,11 ,"the water","*" %1,2,4,2,9 ,429,3,428,5,428,7,428,10 ,428,0 &G"s",7,"s",1,"t",6,10 ,"the pressure on it","*" '1,2,6,2,9 ,432,1,432,3,432,5,432,6,432,6,432,14,432,5 *"s",7,"t",3,11 ,"If the liquid is","t",4,11 ,"replaced with one","t",5,11 ,"having a smaller","t",6,11 ,"density the upthrust","*" +1,2,5,3,10 ,435,1,435,2,435,14,435,6,435,9 ,435,0 ."l",16,135,184,135,"b",104h,135,"l",104h,135,98b,131,"d",110n,131,"d",104h,135,"x",40(,135,8,8,"x",40(,143,8,8,"x",144,135,8,8,"t",2,5,"A","t",3,18,"B","t",4,2,"X","t",4,8,"Y","t",4,15,"Z","t",4,22,"W","t",6,1,"The beam could be made to","t",7,1,"balance by","*" /1,5,8,608`,614f,616h,617i,619k,445,607_,442,609a,501,610b,501,611c,500,612d,500,613e,443,615g,442,620l,442,10 0""s",8,"x",480,140,16,24,"t",3,7,"B","t",2,10 ,"A moving block A","t",3,10 ,"collides with a","t",4,10 ,"stationary block B","t",5,10 ,"of larger mass than A.","t",6,10 ,"The velocity of A","*" 11,2,6,3,10 ,446,1,439,2,439,9 ,439,14,439,5,439,30,439,0 2"s",8,"t",2,3,"F","t",3,5,"If the force F increases","t",4,5,"the acceleration of the","t",5,5,"block","*" 31,2,5,2,9 ,448,11 ,447,6,447,5,47/,14,447,10 ,447,0 4"s",8,"t",2,5,"A force F accelerates","t",3,5,"a truck. If sand is","t",4,5,"poured into the truck","t",5,5,"the acceleration","*" 51,2,6,3,10 ,448,7,447,2,447,14,447,5,447,6,447,9 ,448,13 6"t",3,1,"A spring has a load of 4N on","t",4,1,"it. If the load is increased","t",5,1,"to 8N the extension","*" 71,1,7,14,449,1,449,2,449,3,449,5,449,6,449,9 ,449,10 ,449,0 8Z "t",3,1,"If a rock is taken to the","t",4,1,"moon its mass","*" 91,3,5,1,8,11 ,434,2,434,3,434,5,434,6,434,14,434,0 :"s",3,"t",3,10 ,"If the number of air","t",4,10 ,"particles in the can","t",5,10 ,"is doubled the","t",6,10 ,"pressure","*" ;1,1,5,4,450,5,450,6,450,1,450,2,450,3,450,18 <"s",9 ,"t",3,15,"If this piston","t",4,15,"is pushed in the","t",5,15,"pressure","*" =1,1,5,2,451,1,451,3,451,5,451,6,451,4,451,17 "t",3,1,"A piece of material is placed","t",4,1,"near a bar magnet. It is free","t",5,1,"to move. If it does not move","t",6,1,"the material could be","*" 1,7,6,70F,513,524,535,546,579,58:,401,502,400,557,400,568,400,72H,400,73I,400,74J,400,2 "t",3,1,"A piece of material is placed","t",4,1,"near a bar magnet. It is free","t",5,1,"to move. If it moves towards","t",6,1,"the magnet the material","t",7,1,"could be","*" 1,6,7,502,557,568,72H,73I,74J,401,513,400,70F,400,524,400,535,400,546,400,579,400,58:,400,1 "s",10 ,"*" 1,2,5,523 ,524 ,425,525 ,424,519,424,520,424,521 ,424,522 ,424,0 "t",3,1,"The magnetic field produced by","t",4,1,"a coil or solenoid could be","t",5,1,"increased by","*" 1,3,4,500,502,503,405,504,403,505,403,506,403,507,403,4 "t",3,1,"The direction of the magnetic","t",4,1,"field produced by a coil or","t",5,1,"solenoid could be reversed by","*" 1,3,4,504,505,506,406,500,404,502,404,503,404,507,404,3 _"t",3,1,"This is a switch operated by","t",4,1,"an electromagnet","*" 1,1,6,508,407,509,408,510,409,511,410,512,410,518,411,147,412,0 d"s",15,"t",5,1,"into a DC voltmeter you would","t",6,1,"connect","*" 1,1,4,516,415,513,413,514,413,515,413,517,413,7 "s",15,"t",5,1,"into an ammeter to measure","t",6,1,"larger DC currents you would","t",7,1,"connect","*" 1,1,4,514,415,513,414,515,414,516,414,517,414,6 w"s",15,"t",5,1,"into an ammeter to measure AC","t",6,1,"currents you would connect","*" 1,1,4,517,416,513,417,514,417,515,417,516,417,0 g"t",3,1,"A device used to change the","t",4,1,"size of an AC voltage is ","*" 1,1,6,518,418,146,420,147,412,148,421,149,422,142,423,145,419,0 "s",16,1,"*" 1,1,5,15,474,16,474,17,474,18,474,19,474,20,474,0 "s",16,0,"*" 1,1,5,16,474,15,474,17,474,18,474,19,474,20,474,0 A1,"remains the same" B1,"increases" C1,"decreases" D1,"doubles" E1,"is halved" F 1,"is more than doubled" G1,"is constant" H1,"is not altered" I1,"gets larger" J1,"gets smaller" K1,"is not changed" N1,"is doubled" O1,"move left" P1,"move right" Q!1,"move out of the paper" R1,"move into the paper" S1,"move up" T1,"move down" U1,"reverses" ^1,"goes to zero" r1,"magnet" s1,"wood" t1,"brass" u1,"copper" v1,"aluminium" w1,"steel" x1,"soft iron" y1,"plastic" z1,"glass" 1,"tin" 1,"cobalt" 1,"nickel" 1,"chromium" 1,"wire" 1,"red" 1,"green" 1,"blue" 1,"brown" 1,"black" 1,"cyan/turquoise" 1,"magenta/purple" 1,"yellow" 1,"white" 1,"resistor" 1,"battery" 1,"diode" $1,"Light dependent resistor" 1,"transistor" 1,"transducer" 1,"convex lens" 1,"convex mirror" 1,"concave lens" 1,"concave mirror" 1,"plane mirror" 1,"prism" #1,"rectangular glass block" !41,"adding more turns" !6"1,"using a soft iron core" !7"1,"increasing the current" !8%1,"turning the battery round" !942,"changing the direction of ","the current" !:/2,"changing the direction of","winding" !;1,"using a copper core" !<1,"relay" !=1,"reed switch" !>1,"microswitch" !?1,"two way switch" !@1,"single pole switch" !A'1,"a low resistance in series" !B(1,"a low resistance in parallel" !C)1,"a high resistance in parallel" !D'1,"a high resistance in series" !E1,"a diode in series" !F1,"transformer" !G#1,"move left and stay left" !H%1,"move right and stay right" !I$1,"move left and then right" !J$1,"move right and then left" !K&1,"move left and then to zero" !L'1,"move right and then to zero" !M1,"stay at zero" !N1,"capacitor" !O1,"inductor" !1,"Moving A to X" !1,"Moving A to Y" !1,"Moving A to W " !1,"Moving A to Z" !1,"Moving B to X" !1,"Moving B to Y" !1,"Moving B to Z" !1,"Moving B to W" !$1,"Increasing the size of A" !$1,"Increasing the size of B" !$1,"Decreasing the size of A" !$1,"Decreasing the size of B" !)1,"Moving the pivot nearer to Y" !)1,"Moving the pivot nearer to Z" !"1,"in parallel with X" ! 1,"in series with X" !"1,"in parallel with Y" ! 1,"in series with Y" !%1,"in parallel with the cell" !#1,"in series with the cell" !$1,"in series with the meter" !&1,"in parallel with the meter" ! 1,"X pos Y neg" ! 1,"X pos Y pos" ! 1,"X neg Y neg" ! 1,"X neg Y pos" !!1,"X pos Y none" !!1,"X neg Y none" !1,"becomes a maximum" #(-1," " #12,"Left & right are not precise","enough" $i92,"A positively charged rod","attracts electrons" $j72,"A negatively charged rod","repels electrons" $kA2,"When a conductor is connected","to earth charges flow" $l3,"Electroscope" $m82,"Electrons cannot flow through","an insulator" $E2,"This is non magnetic.Fe Co Ni","Cr are magnetic materials" $3,"Magnetic material" $?2,"Only something with its own","N & S poles can repel" $52,"This would change the N & S","poles round" $K2,"This would change the size of","the field but not its direction" $=2,"increase turns or current. Use","a soft iron core" $/2,"Think of the right hand grip","rule" $3,"Relay" $12,"this switch is operated by a","magnet" $62,"this switch is operated by a","small force" $12,"this term could apply to any","switch" $=2,"this changes the size of an","alternating voltage" $(1,"this is an electronic switch" $K2,"A voltmeter must have a higher","resistance. This would be less" $I2,"An ammeter must have a lower","resistance. This would be more" $3,"Meter" $3,"Rectifier" $*1,"the AC must be changed into DC" $3,"Transformer" $12,"This is a heat sensitive","resistance" $A2,"The resistance gets less as","the light gets brighter" $<2,"This converts movement into","an electric signal" $&1,"This can change AC into DC" $#1,"This works on AC and DC" $@2,"An e.m.f. is only generated","when there is movement" $%1,"Electromagnetic induction" $G2,"Pressure increases with depth","and does not depend on area" $K2,"The pressure is the same at all","points on the same horizontal" $F2,"When a body floats the upthrust","always equals the weight" $3,"Archimedes' law" $3,"Floating objects" $J2,"Any point in contact with the","air is at atmospheric pressure" $I2,"pressure increases with depth ","but does not depend on shape" $J2,"Upthrust depends on the volume","of the block but not on depth" $22,"the mass of the object never","changes" $G2,"Paraffin is less dense than","water so the upthrust is less" $J2,"The moving block gives some of","its momentum to B.Momentum=mv" $L2,"This would make the ACW moment","larger. It must be made smaller" $K2,"This would make the CW moment","smaller. It must be made larger" $L2,"This would make the ACW moment","smaller. It must be made larger" $@2,"In equilibrium the CW moment","equals the ACW moment" $3,"Momentum" $'1,"Force = mass x acceleration" $"3,"Newton's laws of force" $<2,"Hooke's Law. Extension is","proportional to load" $C2,"Each particle makes its own","contribution to the total" $L2,"If the particles hit the walls","more often the pressure goes up" $=2,"If the speed increases the","wavelength increases" $=2,"If the speed decreases the","wavelength decreases" $*1,"The frequency remains constant" $;2,"A convex lens bends the rays","towards the axis" $>2,"A concave lens bends the rays","away from the axis" $3,"Wave" $=2,"If the rays pass through, it","cannot be a mirror" $A2,"If the rays do not pass through","it cannot be a lens" $3,"Reflection" $3,"Refraction" $A2,"This would make the input and","output beams parallel" %(1,"This can only diverge a beam" %1,"Think of i=r" %F2,"Fleming's LH rule. Motion,","field & current at 90 degrees" %D2,"A higher tension or shorter","length gives a higher freq" %3,"Sound sources" %>2,"The speed increases with","temperature and tension" %42,"A voltmeter has a very high","resistance" % 2 2,"A closed switch has zero","resistance" % 42,"When a switch is open no","current flows" % 72,"This would increase the","resistance I=V/R" % 72,"This would decrease the ","resistance I=V/R" % 3,"Series and parallel" %.2,"This has a high resistance","to AC" % 3,"Inductor & capacitor" %3,"Colour" %!1,"This is a pure colour" %(1,"This is a mix of all colours" %1,"This is R+B" %1,"This is R+G" %1,"This is G+B" %$1,"There must be some light" %G2,"A current still flows. Think","about :oppose:one way:on/off" %42,"Try something which gives a","resistance" %H2,"Think about the effect of a","change of e.m.f. or resistance" %72,"A wire will have no effect on","the current" %'1,"There would be no CW moment" %&(1,"There would be no ACW moment" '-1," " C GAME1  +:7:7:0::1400x ($4500:1500:4200h ,w=0:p=0:f=0:u=0 Fm$=" ":d$="I'm mixing up the topics" U4100:4280:2500 :3825:4280:3000 :3700t: _3600:3750:3800:3825:3850 :4300:2300:900  !p=0 u=0a=1  +p=0 u=1a=1+(*u(f))  p=1a=1+(*n(w))  z=0 @p=1dp=02000+q:m=1w:21004:m Ap=1dp02000+dp:m=1w:21004:m @u=1dp=03000 +q:m=1f:2200:m Au=1dp03000 +dp:m=1f:2200:m & 2000 +#h=13700t:4900$ 04300:3700t  x=h(1):y=h(2) %Z3750:3800:3825:3850 :3950n:1:3620$:0 4 410 dp c$  c$="*"  c$="l"1160  c$="t"1100L c$="s"13357  c$="a"1120`  c$="c"1140t c$="d"1320(  c$="?"1300  c$="`"1200 c$="p"d:d c$="i"d:d c$="x"1350F  905 Ll,c,x$:l,c;x$: `.x,y,j,k,a:a=a*/180:x,y:j-x,k-y,a: tx,y,rad:x,y,rad: "x,y,a,b:x,y:1;a-x,b-y: *w=w+1:n(w),l(w),c(w):p=1: *f=f+1:u(f),v(f),w(f):u=1: (x=a:y=b:a,b:x,y:a-x,b-y: 7"sp:(2600( +(sp*10 )): FDx,y,ht,wi:x,y:0,ht:wi,0:0,-ht:-wi,0: ZU3,2;"8";5,2;"4";7,2;"2";9 ,2;"1" _x=92\14016:12 ,x:0,15:16,0:0,-15:-15,0:0,x+8:11 ,0:29,x+8:32 ,0:x: xu:1:"PHYSICS GAME 1":2:12 ,0;"Press STOP on your tape recorder":0:3700t 2,0;"This is a game played against the computer. You will be asked to do physics calculations. ":"You choose a topic from a list and decide whether you will aim at the treble, double or single." 2::"Treble questions are hardest!!!"::0:"You have ";:2:"2";:0:" attempts at each question.If you answer correctlyyou get the points otherwise the computer gets them!!" "To win you must reduce your score to EXACTLY zero.":"If the computer reaches zero or below then it wins!!":"Pressing SHIFT * stops the game": q.03{u\,45-:2:20,7;"Do you want to play 501, 301, 201 or 101 ?":0 d$ d$=42*4900$ 1d$="101"d$="201"d$="301"d$="501"1520 .5,1:1500 us=d$:cs=us::0: @b=f$ Jf$(b)" "1640h Tb=b-1:1610J h f$=f$(b): /x=1f:v(x),w(x);1;"?";0  u=19000(#+m(x):m$ t=12:q$(x) %q$(x,1)=42*4900$ Z(q$(x)a$(x)t=1) 3850 :2275:6:19,0;m$:7 ܄(q$(x)a$(x)t=2)3850 :2:19,0;"The answer was : ":20,0;a$(x):0:z=z+1 ߈q$(x)=a$(x) 3850 :t=2:4:19,0;"Good. The answer was :":20,0;a$(x):0:2250 t f$=a$(x):1600@ !1:v(x),w(x);f$:0 x z=0 us=us-(i*r) z0 cs=cs-(i*r) 44000: 9wdf:df=1o$(1):d=2n(m):o$(d)=o$(1):d:b$(m)=o$(a):f$=b$(m):1600@:l(m),c(m);f$: :Nd=1n(m):o$(d):d:b$(m)=o$(a):f$=b$(m):1600@:l(m),c(m);f$: _df,mp:df=-1n$(1):d=2u(m):n$(d)=n$(1):d:a$(m)=n$(a):m(m)=mp: Gdf=0d=1u(m):n$(d):j(d)=mp:d:a$(m)=n$(a):m(m)=mp: a$(m)=b$(df):m(m)=mp: /e=140 (2:.02{# =,e:e: 1e=1-40 (-2:.02{# =,e:e: nt$(i)="Moving objects"q=5000:q(1)=2:q(2)=1:q(3)=1:2315 nt$(i)="Moments "q=5100:q(1)=1:q(2)=1:q(3)=1:2315 nt$(i)="Force & weight"q=5200P:q(1)=1:q(2)=1:q(3)=1:2315 nt$(i)="Work & energy "q=5300:q(1)=2:q(2)=2:q(3)=1:2315 nt$(i)="Electricity "q=5400:q(1)=2:q(2)=2:q(3)=1:2315 cq=5000+(100d*(*6)):q(1)=1:q(2)=1:q(3)=1 (r=1s=(*(q(1)+1)) 5r=2q=q+9 :s=(*(q(2)+1)) 6r=3q=q+14:s=(*(q(3)+1))  q=q+s:q: p2:15,20;"To aim";16,17;"Type a number";17,17;"& press ENTER" +20:.25~,1:g$(1) #g$(1)=42*4900$ R(g$(1)<480ůg$(1)>57 9Ưg$(1)32 )2520 jg$(1,2)32 (g$(1,2)>57 9ůg$(1,2)<480)2520 :g=g$(1):g=g (g20g1)2527 g19,17;"Between 1 & 20";:2275:19,17;" ":2514 ߲15,17;"Now the value:";16,17;" s (single) ";17,17;"or d (double ";18,17;"or t (treble) ":20:.25~,1:s$ s$=""2538 #s$(1)=42*4900$ #s$="t"s$="d"s$="s" 2550 f19,17;"Enter s d or t":2275:19,17;" ":2527 0: 216,2;"=":32 ,44,:40(,0:15,4;"":17,4;"":16,10 ;"= ": <6,1;"What are the":8,1;"missing terms":10 ,1;"in this":12 ,1;"equation ?": P4,112p:112p,0:8,112p:gy=0:e=04*ͧ/6:y=24*e:4,y-gy:gy=y:e Q-26,140:46.,0:30,144:-4,-4:4,-4:68D,144:4,-4:-4,-4:72H,134:0,-22:70F,132:2,4:2,-4:70F,116t:2,-4:2,4 RE72H,123{:20,28:3,8;"s V": Zz13 ,1;"RMS =":568,68D:72H,0:12 ,7;"amplitude":14,9 ;"1.4": $15,17;"You aimed at " !s$="t" z$="treble":s=3 s$="d"z$="double":s=2 s$="s"z$="single":s=1 '16,19;"";z$;" ";g;"" #i=g:r=s:us203055 r=13200 <h=1+(*502):3100 :m<03400H m>03500 r=3z$="treble" r=2z$="double" r=1z$="single" K17,17;"Your dart hit ";18,19;"";z$;" ";i;"" <i=gr=s19,17;"Good shot!! ":2250 0: h25m=0: &&(h>25h31)m=1: 0'(h>31h37%)m=-1: :&(h>37%h42*)m=2: D'(h>42*h46.)m=-2: N&(h>46.h480)m=3: Xh>480m=-3: 'n=1+(*502):n10 n5r=2: r=3: H.n=1̽(m):i1i=a(p(i)-1) \i=1i=20 fn: ,n=1m:i20i=a(p(i)+1) i=20i=1 n: r=3x=t(i):y=y(i) r=2 x=d(i):y=e(i) r=1x=r(i):y=s(i) h(1)=x:h(2)=y $Lk=-11:j=-11:x+k,y+j:j:k:.3,45-: t121,6;"Press SPACE to carry on" y%v$=:o=v$:o=42*4900$ o32 3700t 3950n: 8l=014:l,0;" ":l: 9l=1518:l,0;" ":l: :l=1418:l,16;" ":l:  Il=1920:l,0;" ":l: <9l=014:l,16;" ":l: n721,0;" ": *4141-:5:0:4308  i=120:t$(i):i ud=124:20,d+1;d$(d):i=1+(*20):j=1+(*20):.01z# =,45- $h$=t$(i):t$(i)=t$(j):t$(j)=h$:d 3.05|L,25:.08}# =,5:3850  ^i=120:6:0:i,0;i;:7:1:i,2;t$(i):i: -K"Moving objects","Moments","Force & weight","Work & energy","Electricity" .K"Moving objects","Moments","Force & weight","Work & energy","Electricity" /H"Moving objects","Moments","Electricity","Work & energy","Electricity" 0H"Electricity","Moments","Force & weight","Work & energy","Electricity" h1:192,120x,480:192,120x,44,:192,120x,28:192,120x,24:192,120x,8:192,120x,4 job=9 359g18:192,120x:(480*(b*/180)),(480*(b*/180)):b |4250:7:0:i=120:o(i),b(i),r(i),s(i),d(i),e(i),t(i),y(i),p(i),a(i):o(i),b(i);i;:i:7:1 0,26,204,156,204,164,200,144,1,1,12 ,28,212,92\,220,82R,208,98b,8,18,13 ,23,192,84T,192,74J,192,94^,10 ,4,2,29,220,140,228,150,214,136,3,13 ,0,21,180,156,180,164,184,144,19,6 6,31,228,120x,240,124|,220,120x,5,10 ,12 ,19,172,92\,164,84T,176,100d,12 ,15,8,17,156,108l,150,108l,168,112p,14,2,2,18,164,140,156,148,172,134,17,17,8,30,228,108l,238,106j,218,112p,6,3 z6,16,156,120x,146,120x,167,120x,15,19,1,19,172,148,164,156,176,140,18,7,4,30,228,132,238,134,218,128,4,16,4,16,156,132,148,132,168,128,16,8 110 ,29,224,96`,230,92\,214,104h,7,11 ,10 ,17,164,100d,156,92\,172,104h,13 ,14,13 ,25,204,84T,206,76L,200,94^,9 ,9 ,1,27,216,152,220,158,208,142,2,12 ,13 ,20,180,84T,180,76L,184,96`,11 ,5,0,23,192,156,192,166,192,146,20,20  k2:128,10 :0,524:124|,0:0,-524:-124|,0: |5:0:0,0;" ";1,0;" ";1,0;"Computer =";cs :0,0;"Your score =";us:7:0: 0h=0:us<03850 :2:1:19,8;"BUST!!! Try again":1.5@,-10 :0:us=us+(i*r): :us=04::1:10 ,8;"CONGRATULATIONS";14,0;"Your score is 0 - YOU WIN !!!!":0:2250:0:h=1: Dcs0:1:1:10 ,12 ;"HARD LUCK";14,0;"My score is ";cs;" I WIN !!!":0:2275:h=1:0: N a(20):b(20):c(20):d(20):e(20):h(2):j(20):l(20):m(10 ):n(10 ):o(20):p(20):q(20):r(20):s(20):t(20):u(10 ):v(10 ):w(10 ):y(20) a$(10 ,20):b$(10 ,20):g$(1,2):n$(10 ,20):o$(10 ,20):q$(10 ,20):r$(10 ,20):t$(20,14):u$(10 ,20):y$(10 ,20) \M4740:a=110 :s$:n=07:b:s$+n,b:n:a: U"p",255,129,129,129,129,129,129,255 M"a",24,36$,66B,66B,36$,36$,231,0 J"l",64@,64@,64@,64@,64@,0,0,0 I"f",0,0,0,0,64@,64@,64@,64@ H"r",12 ,18,4,8,30,0,0,0 K"i",0,0,0,480,72H,16,32 ,120x G"s",14,2,4,2,14,0,0,0 G"c",0,4,2,1,255,1,2,4 I"u",0,0,16,0,126~,0,16,0 F"e",0,0,62>,0,0,0,0,0 $:2:7,3;"To run this program again";9 ,10 ;"press RUN":16,4;"To load and run GAME2":18,10 ;"press NEXT":0 .="r"Ŧ="R"10 8="n"Ŧ="N"4940L B 4910. 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-1,1,"density",1,14,2,15,0,3,"200","300","400","320","210","180","360","440","160",0,16,"200","300","400","320","210","180","360","440","160",0,3,"2000","3000","4000","3200","2100","1800","3600","4400","1600" mv-1,1,"work",3,17,2,2,0,3,"8","12","20","18","14","18","24","10","24" nx-1,20,"force",1,17,2,2,0,3,"8","12","20","18","14","18","24","10","24" v1,2,-1,21,"10",2,2,0,3,"80","150","180","280","160","450","240","120","180",-1,4,"J" w1,22,2,22,2,23,0,3,"10","9","24","50","18","27","40","25","14",-1,4,"J" {-1,25,"h",-1,21,"10",2,17,0,3,"4","9","16","25","36","49","64","81",0,24,"2","3","4","5","6","7","8","9" X1,29,2,29,0,28,"3","2","4","4","2","1","2","5","1" L-1,31,"0",0,30,"2","4","9","3","1","1","3","4","2" ڎ-1,36$,"current",1,2,2,2,0,3,"6","15","12","30","12","16","12","24","10",-1,4,"C" ۄ-1,1,"charge",1,2,2,2,0,3,"3","9","2","2","7","6","3","6","5",-1,4,"A" ߷2,32 ,3,34",0,3,"4","24","10","2","18","8","6","6","12",1,33!,2,32 ,0,3,"2","2","2","5","2","0.5","1.5","3","1.2" #)"Wrong term for the equation" #*"Wrong quantity " #+""Error in doing the calculation" #, "Wrong unit: Look at your GEM" #-!"You have just calculated this" #."Force x distance" #/ "The force on the right: M=Fs" #0"The force on the left: M=Fs" #1"Does CW = ACW ?" #2"Add the two distances" #3"CW moment = ACW momemt" #4"This is the constant" #5"Gem: resultant" #6"The space taken up" #7"Mass per unit volume" #8"This is the mass" #9""Look carefully at the question" #:"Another word for work" #;#"Are you confusing force & mass?" #<""Weight is the FORCE of gravity" #="Gravitational constant" #>"Look at the equation" #?"What does 'squared' mean?" #@"Take the square root" #A"Re-arrange the equation" #B"You have worked this out" #C"This is measured in metres" #D"I = I + I" #E"Same current if no branches" #F"V = V + V" #G!"Assume the wire has ZERO res." #H"The ammeter is in series" #I""It is the voltage across R" #J""Resistance is measured in ohms" #L"The rate of flow of charge" #M "v=u+at" '" " oVJ uGAME2 Ȏ aʎ +:7:7:0::1400x ($4500:1500:4200h ,w=0:p=0:f=0:u=0 Fm$=" ":d$="I'm mixing up the topics" U4100:4280:2500 :3825:4280:3000 :3700t: _3600:3750:3800:3825:3850 :4300:2300:900  !p=0 u=0a=1  +p=0 u=1a=1+(*u(f))  p=1a=1+(*n(w))  z=0 @p=1dp=02000+q:m=1w:21004:m Ap=1dp02000+dp:m=1w:21004:m @u=1dp=03000 +q:m=1f:2200:m Au=1dp03000 +dp:m=1f:2200:m & 2000 +#h=13700t:4900$ 04300:3700t  x=h(1):y=h(2) %Z3750:3800:3825:3850 :3950n:1:3620$:0 4 410 dp c$  c$="*"  c$="l"1160  c$="t"1100L c$="s"13357  c$="a"1120`  c$="c"1140t c$="d"1320(  c$="?"1300  c$="`"1200 c$="p"d:d c$="i"d:d c$="x"1350F  905 Ll,c,x$:l,c;x$: `.x,y,j,k,a:a=a*/180:x,y:j-x,k-y,a: tx,y,rad:x,y,rad: "x,y,a,b:x,y:1;a-x,b-y: *w=w+1:n(w),l(w),c(w):p=1: *f=f+1:u(f),v(f),w(f):u=1: ((x=a:y=b:a,b:x,y:1;a-x,b-y: 7"sp:(2600( +(sp*10 )): FDx,y,ht,wi:x,y:0,ht:wi,0:0,-ht:-wi,0: ZU3,2;"8";5,2;"4";7,2;"2";9 ,2;"1" _x=92\14016:12 ,x:0,15:16,0:0,-15:-15,0:0,x+8:11 ,0:29,x+8:32 ,0:x: xu:1:"PHYSICS GAME 2":2:12 ,0;"Press STOP on your tape recorder":0:3700t 2,0;"This is a game played against the computer. You will be asked to do physics calculations. ":"You choose a topic from a list and decide whether you will aim at the treble, double or single." 2::"Treble questions are hardest!!!"::0:"You have ";:2:"2";:0:" attempts at each question.If you answer correctlyyou get the points otherwise the computer gets them!!" "To win you must reduce your score to EXACTLY zero.":"If the computer reaches zero or below then it wins!!":"Pressing SHIFT * stops the game": q.03{u\,45-:2:20,7;"Do you want to play 501, 301, 201 or 101 ?":0 d$ d$=42*4900$ 1d$="101"d$="201"d$="301"d$="501"1520 .5,1:1500 us=d$:cs=us::0: @b=f$ Jf$(b)" "1640h Tb=b-1:1610J h f$=f$(b): /x=1f:v(x),w(x);1;"?";0  u=19000(#+m(x):m$ t=12:q$(x) %q$(x,1)=42*4900$ Z(q$(x)a$(x)t=1) 3850 :2275:6:19,0;m$:7 ܄(q$(x)a$(x)t=2)3850 :2:19,0;"The answer was : ":20,0;a$(x):0:z=z+1 ߈q$(x)=a$(x) 3850 :t=2:4:19,0;"Good. The answer was :":20,0;a$(x):0:2250 t f$=a$(x):1600@ !1:v(x),w(x);f$:0 x z=0 us=us-(i*r) z0 cs=cs-(i*r) 44000: 9wdf:df=1o$(1):d=2n(m):o$(d)=o$(1):d:b$(m)=o$(a):f$=b$(m):1600@:l(m),c(m);f$: :Nd=1n(m):o$(d):d:b$(m)=o$(a):f$=b$(m):1600@:l(m),c(m);f$: _df,mp:df=-1n$(1):d=2u(m):n$(d)=n$(1):d:a$(m)=n$(a):m(m)=mp: Gdf=0d=1u(m):n$(d):j(d)=mp:d:a$(m)=n$(a):m(m)=mp: a$(m)=b$(df):m(m)=mp: /e=140 (2:.02{# =,e:e: 1e=1-40 (-2:.02{# =,e:e: nt$(i)="Pressure "q=5000:q(1)=2:q(2)=1:q(3)=1:2315 nt$(i)="Heat "q=5100:q(1)=3:q(2)=1:q(3)=1:2315 nt$(i)="AC "q=5200P:q(1)=1:q(2)=1:q(3)=1:2315 nt$(i)="Waves "q=5300:q(1)=2:q(2)=1:q(3)=1:2315 nt$(i)="Nuclear decay "q=5400:q(1)=1:q(2)=1:q(3)=1:2315 nt$(i)="Energy cost "q=5500|:q(1)=1:q(2)=1:q(3)=1:2315 nt$(i)="Resistors "q=5600:q(1)=1:q(2)=1:q(3)=1:2315 cq=5000+(100d*(*6)):q(1)=1:q(2)=1:q(3)=1 (r=1s=(*(q(1)+1)) 5r=2q=q+9 :s=(*(q(2)+1)) 6r=3q=q+14:s=(*(q(3)+1))  q=q+s:q: p2:15,20;"To aim";16,17;"Type a number";17,17;"& press ENTER" +20:.25~,1:g$(1) #g$(1)=42*4900$ R(g$(1)<480ůg$(1)>57 9Ưg$(1)32 )2520 jg$(1,2)32 (g$(1,2)>57 9ůg$(1,2)<480)2520 :g=g$(1):g=g (g20g1)2527 g19,17;"Between 1 & 20";:2275:19,17;" ":2514 ߲15,17;"Now the value:";16,17;" s (single) ";17,17;"or d (double ";18,17;"or t (treble) ":20:.25~,1:s$ s$=""2538 #s$(1)=42*4900$ #s$="t"s$="d"s$="s" 2550 f19,17;"Enter s d or t":2275:19,17;" ":2527 0: 216,2;"=":32 ,44,:40(,0:15,4;"":17,4;"":16,10 ;"= ": <6,1;"What are the":8,1;"missing terms":10 ,1;"in this":12 ,1;"equation ?": P4,112p:112p,0:8,112p:gy=0:e=04*ͧ/6:y=24*e:4,y-gy:gy=y:e Q-26,140:46.,0:30,144:-4,-4:4,-4:68D,144:4,-4:-4,-4:72H,134:0,-22:70F,132:2,4:2,-4:70F,116t:2,-4:2,4 RE72H,123{:20,28:3,8;"s V": Zz13 ,1;"RMS =":568,68D:72H,0:12 ,7;"amplitude":14,9 ;"1.4": $15,17;"You aimed at " !s$="t" z$="treble":s=3 s$="d"z$="double":s=2 s$="s"z$="single":s=1 '16,19;"";z$;" ";g;"" #i=g:r=s:us203055 r=13200 <h=1+(*502):3100 :m<03400H m>03500 r=3z$="treble" r=2z$="double" r=1z$="single" K17,17;"Your dart hit ";18,19;"";z$;" ";i;"" <i=gr=s19,17;"Good shot!! ":2250 0: h25m=0: &&(h>25h31)m=1: 0'(h>31h37%)m=-1: :&(h>37%h42*)m=2: D'(h>42*h46.)m=-2: N&(h>46.h480)m=3: Xh>480m=-3: 'n=1+(*502):n10 n5r=2: r=3: H.n=1̽(m):i1i=a(p(i)-1) \i=1i=20 fn: ,n=1m:i20i=a(p(i)+1) i=20i=1 n: r=3x=t(i):y=y(i) r=2 x=d(i):y=e(i) r=1x=r(i):y=s(i) h(1)=x:h(2)=y $Lk=-11:j=-11:x+k,y+j:j:k:.3,45-: t121,6;"Press SPACE to carry on" y%v$=:o=v$:o=42*4900$ o32 3700t 3950n: 8l=014:l,0;" ":l: 9l=1518:l,0;" ":l: :l=1418:l,16;" ":l:  Il=1920:l,0;" ":l: <9l=014:l,16;" ":l: n721,0;" ": *4141-:5:0:4308  i=120:t$(i):i ud=124:20,d+1;d$(d):i=1+(*20):j=1+(*20):.01z# =,45- $h$=t$(i):t$(i)=t$(j):t$(j)=h$:d 3.05|L,25:.08}# =,5:3850  ^i=120:6:0:i,0;i;:7:1:i,2;t$(i):i: ->"Pressure","Heat","AC","Waves","Nuclear decay","Energy cost" .>"Pressure","Heat","AC","Waves","Nuclear decay","Energy cost" /E"Pressure","Heat","Resistors","Waves","Nuclear decay","Energy cost" 0"Resistors","Resistors" h1:192,120x,480:192,120x,44,:192,120x,28:192,120x,24:192,120x,8:192,120x,4 job=9 359g18:192,120x:(480*(b*/180)),(480*(b*/180)):b |4250:7:0:i=120:o(i),b(i),r(i),s(i),d(i),e(i),t(i),y(i),p(i),a(i):o(i),b(i);i;:i:7:1 0,26,204,156,204,164,200,144,1,1,12 ,28,212,92\,220,82R,208,98b,8,18,13 ,23,192,84T,192,74J,192,94^,10 ,4,2,29,220,140,228,150,214,136,3,13 ,0,21,180,156,180,164,184,144,19,6 6,31,228,120x,240,124|,220,120x,5,10 ,12 ,19,172,92\,164,84T,176,100d,12 ,15,8,17,156,108l,150,108l,168,112p,14,2,2,18,164,140,156,148,172,134,17,17,8,30,228,108l,238,106j,218,112p,6,3 z6,16,156,120x,146,120x,167,120x,15,19,1,19,172,148,164,156,176,140,18,7,4,30,228,132,238,134,218,128,4,16,4,16,156,132,148,132,168,128,16,8 110 ,29,224,96`,230,92\,214,104h,7,11 ,10 ,17,164,100d,156,92\,172,104h,13 ,14,13 ,25,204,84T,206,76L,200,94^,9 ,9 ,1,27,216,152,220,158,208,142,2,12 ,13 ,20,180,84T,180,76L,184,96`,11 ,5,0,23,192,156,192,166,192,146,20,20  k2:128,10 :0,524:124|,0:0,-524:-124|,0: |5:0:0,0;" ";1,0;" ";1,0;"Computer =";cs :0,0;"Your score =";us:7:0: 0h=0:us<03850 :2:1:19,8;"BUST!!! Try again":1.5@,-10 :0:us=us+(i*r): :us=04::1:10 ,8;"CONGRATULATIONS";14,0;"Your score is 0 - YOU WIN !!!!":0:2250:0:h=1: Dcs0:1:1:10 ,12 ;"HARD LUCK";14,0;"My score is ";cs;" I WIN !!!":0:2275:h=1:0: N a(20):b(20):c(20):d(20):e(20):h(2):j(20):l(20):m(20):n(20):o(20):p(20):q(20):r(20):s(20):t(20):u(10 ):v(10 ):w(10 ):y(20) a$(10 ,20):b$(10 ,20):g$(1,2):n$(10 ,20):o$(10 ,20):q$(10 ,20):r$(10 ,20):t$(20,14):u$(10 ,20):y$(10 ,20) \M4740:a=113 :s$:n=07:b:s$+n,b:n:a: "p",255,129,129,129,129,129,129,255,"a",0,24,36$,100d,88X,64@,64@,64@,"l",64@,64@,64@,64@,64@,0,0,0,"k",0,16,32 ,126~,32 ,16,0,0,"b",480,72H,72H,80P,72H,72H,112p,64@,"d",2,4,104h,144,144,104h,4,2,"c",0,4,2,1,255,1,2,4,"u",0,0,16,0,126~,0,16,0,"o",0,30,0,0,0,0,0,0 ""r",12 ,18,4,8,30,0,0,0,"e",0,12 ,18,18,12 ,0,0,0,"f",24,36$,66B,66B,36$,36$,231,0,"g",14,2,4,2,14,0,0,0 $d:2:7,3;"To run this program again";9 ,10 ;"press RUN":0 .="r"Ŧ="R"10 B 4910. Q V0,"l",80P,144,8,144,"d",8,120x,"d",80P,120x,"x",568,120x,24,8,"l",64@,132,100d,132,"t",5,14,"F","`",8,5,2,"t",5,4,"Pa","t",8,2,"piston area","t",9 ,2,"= m","`",8,9 ,4,"t",15,0,"Force = pressure x ----","t",17,0,"Force = x = ","?",8,15,19,"?",8,17,8,"?",8,17,14,"?",8,17,21,"?",8,17,24,"*" 0,"l",8,120x,100d,120x,"a",480,120x,72H,120x,-280,"l",68D,148,86V,148,"l",60<,135,60<,120x,"l",568,124|,60<,120x,"d",64@,124|,"t",4,7,"F","`",8,3,11 ,"t",3,13 ,"Pa","t",8,2,"contact area","t",9 ,2,"= m","`",8,9 ,4,"t",15,0,"Force = pressure x ----","t",17,0,"Force = x = ","?",8,15,19,"?",8,17,8,"?",8,17,14,"?",8,17,21,"?",8,17,24,"*" r0,"i",1,"l",40(,152,40(,96`,"d",64@,96`,"d",64@,152,"l",40(,140,64@,140,"l",72H,140,72H,96`,"l",68D,136,72H,140,"d",76L,136,"l",68D,100d,72H,96`,"d",74J,100d,"t",6,13 ,"m","t",7,0,"area","t",8,3,"m","l",32 ,104h,524,96`,"t",12 ,1,"density","t",13 ,6,"kgm","t",14,1,"g = 10 N/kg","i",0,"t",15,1,"Pressure on the base = hg","t",17,0,"= x x = Pa","`",8,8,0,"`",8,6,10 ,"`",8,11 ,1,"`",8,13 ,1,"?",8,17,2,"?",8,17,8,"?",8,17,15,"?",8,17,20,"*" o0,"l",80P,144,8,144,"d",8,120x,"d",80P,120x,"x",568,120x,24,8,"l",64@,132,100d,132,"t",5,15,"N","`",8,5,13 ,"t",8,2,"piston area","t",9 ,2,"= m","`",8,9 ,4,"t",12 ,0,"Pressure =","l",88X,76L,126~,76L,"t",11 ,11 ,"-----","?",8,11 ,11 ,"t",13 ,11 ,"area","s",1,"?",8,15,4,"?",8,17,4,"?",8,16,12 ,"?",8,16,16,"*" 0,"s",2,"t",16,0,"------ =---- x SHC x temp change","?",1,16,0,"?",1,16,8,"*" 0,"s",2,"t",16,0,"energy =---- x SHC x temp ------","?",1,16,8,"?",1,16,26,"*" 0,"s",2,"t",16,0,"------ =mass x SHC x temp ------","?",1,16,0,"?",1,16,26,"*" 0,"l",4,158,4,136,"d",524,136,"d",524,158,"l",4,156,524,156,"t",3,4,"C","l",60<,158,60<,136,"d",108l,136,"d",108l,158,"l",60<,156,108l,156,"t",3,11 ,"C","t",6,0,"A kg B kg","l",24,140,24,128,"l",88X,140,88X,128,"l",60<,112p,60<,64@,"d",108l,64@,"d",108l,112p,"l",60<,104h,108l,104h,"t",8,0,"After","t",9 ,0,"mixing","t",11 ,11 ,"C","t",15,0,"temperature change of A = C","t",17,0,"final mass = " "`",8,3,1,"`",8,6,2,"`",8,3,8,"`",8,11 ,8,"`",8,6,11 ,"?",8,15,26,"?",8,17,13 ,"?",8,17,16,"*" 0,"i",1,"t",3,1,"How much energy","t",4,1,"is needed to","t",5,1,"change the","t",6,1,"temperature of","t",7,1,"a block with","i",0,"t",9 ,0,"mass kg","t",10 ,0,"SHC JkgK","t",11 ,0,"initial temp","t",12 ,0,"= C","t",13 ,0,"final temp","t",14,0,"= C","t",16,1,"E=mct" >"t",17,2,"= x x = ","`",8,9 ,5,"`",8,10 ,4,"`",8,12 ,2,"`",8,14,2,"?",8,17,15,"?",8,17,3,"?",8,17,9 ,"?",8,17,20,"?",8,17,27,"*" Q0,"i",1,"t",4,0,"An appliance is","t",6,0,"marked","i",0,"t",8,0," V Hz","t",10 ,0," W","t",15,0,"The frequency is ","t",17,0,"The power required is ","`",8,8,0,"`",8,8,8,"`",8,10 ,0,"?",8,15,17,"?",8,15,22,"?",8,17,22,"?",8,17,26,"*" ZX0,"s",4,"t",13 ,0,"frequency=","l",80P,68D,126~,68D,"t",12 ,12 ,"1","t",14,10 ,"period","s",1,"`",8,3,4,"`",8,3,11 ,"?",8,15,4,"?",8,17,4,"?",8,16,12 ,"?",8,16,16,"*" _0,"s",4,"s",5,"s",1,"`",8,3,4,"`",8,3,10 ,"?",8,15,4,"?",8,17,4,"?",8,16,12 ,"?",8,16,16,"*" n0,"t",5,4,"waves pass ","t",7,0,"a point in s.","t",9 ,0,"What is the","t",11 ,0,"frequency?","t",16,0,"f","s",1,"`",8,5,1,"`",8,7,11 ,"?",8,15,4,"?",8,17,4,"?",8,16,12 ,"?",8,16,16,"*" 0,"t",4,0,"A stroboscope","t",5,0,"'freezes' a","t",6,0,"ripple tank","t",7,0,"pattern and","t",8,0,"waves are","t",9 ,0,"counted in","t",10 ,0," cm.","t",11 ,0,"What is the","t",12 ,0,"wavelength?","s",1,"`",8,7,12 ,"`",8,10 ,0,"?",8,17,4,"?",8,15,4,"?",8,16,12 ,"?",8,16,16,"*"  0,"t",3,0,"A wave has a","t",5,0,"frequency of","t",6,0," Hz and a","t",8,0,"wavelength of","t",9 ,0," m.","t",11 ,0,"Work out the","t",12 ,0,"velocity.","t",15,0,"velocity= --------- x wavelength","t",17,0,"v = x = ms","`",8,6,0,"`",8,9 ,0,"?",8,15,10 ,"?",8,17,4,"?",8,17,10 ,"?",8,17,16,"*"  0,"t",3,0,"A wave has a","t",5,0,"frequency of","t",6,0," Hz and a","t",8,0,"wavelength of","t",9 ,0," m.","t",11 ,0,"Work out the","t",12 ,0,"velocity.","t",15,0,"velocity= frequency x ----------","t",17,0,"v = x = ms","`",8,6,0,"`",8,9 ,0,"?",8,15,22,"?",8,17,4,"?",8,17,10 ,"?",8,17,16,"*" 0,"t",5,2,"","t",7,2,"Mass no. 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