d*n RUTHERFORD'S ALPHA-PARTICLEMx SCATTERING EXPERIMENT (SIM)Sm D. TRANKNER LONDON7 8 9 5 DEMO ALPHA EMISSIONS1 2 3 G PLACE GOLD FOIL R REMOVE GOLD FOIL E EXPERIMENTAL TRIALS9 C CLEARS EXP'T DATA[ 53272,21:"":1910k I11000: "A COMPUTER ASSISTED SIMULATION" I12500: ""DO YOU NEED INSTRUCTIONS (Y OR N)?" ,A$:A$""300 6A$"Y"1560 @G0: 570( J LABEL THE DIAGRAMd T"LEAD BLOCK":"RADIOACTIVE":" SOURCE"r ^A$"Y"{ h500 r THE THIN GOLD FOIL |""17)"GOLD FOIL" "" I111 G021)" ":430 21)""   5003  THE ZINC SULFIDE SCREEN] ""30)"SSREEN"u 27)"ZINC SULFIDE"{  S0:A$:A$""500 (A$)0S(A$):650 A$"C"1470 A$"E"E1:1220 A$"G"G1:370 &A$"R"G0:370 0500 :"":1910$ D""6 N" "a X"  " b"  " l"  " v" "   ALPHA-PARTICLE DISPLAY SC3325031744:R40:C1:A0%  1024-32768 FOR C64J -CREATE THE ALPHA-PARTICLE RAY-z SC,87:J331:J8SCJ42,78:SCJ38,77 ""J)"" J21S0800 J:SC30,42:S4S7470  -ERASE THE ALPHA-PARTICLE RAY-SC,81:J331:J8SCJ42,32:SCJ38,321J21G1780HJ21S0A1:800f""J)" "J20G1SCJ1,92 J:SC30,66  ALPHA-PARTICLE DEFLECTIONS*G04S1150,1010,890,830,830,830,1080,940,840>H SMALL ANGLE -9 DEFLECTIONS8RXX64:YY42:A1XX32:YY66H\SCJ42,XX\fJ31SC10,YYbpz SMALL ANGLE -3 DEFLECTIONSXX64:YY42:A1XX32:YY66SCJ38,XXJ31SC70,YY LARGE ANGLE -8 DEFLECTIONSXX78:YY42:A1XX32:YY77J26GJ26SC256,77:SC215,77:SC174,77`SCJ2(J21)40,XXuJ26SC215,YY{ LARGE ANGLE -2 DEFLECTIONSXX77:YY42:A1XX32:YY78J26J26SC226,78:SC265,78:SC304,78 SCJ2(J21)40,XX"$J26SC265,YY(.J8 RETURN ANGLE -7 DEFLECTIONSkBXX77:YY42:A1XX32:YY78wLJ26VJ26SC266,78:SC227,78:SC188,78`SCJ(J22)40,XXjJ26SC227,YYt~ RETURN ANGLE -1 DEFLECTIONSXX78:YY42:A1XX32:YY77#J26NJ26SC212,77:SC253,77:SC294,77eSCJ(J20)40,XXzJ26SC253,YY -ALPHA-PARTICLE EXP'T ROUTINE-K110G01280EX%((0))1001EX%61EY%((0))21:EY%1300,1310:1290DEX%84EY%((0))41:EY%1320,1330,1340,1350:1290WS5:650:1360` K:uS9:650:1360:S3:650:1360:(S8:650:1360:2S2:650:1360:<S7:650:1360:FS1:650:1360:$PZ(S)Z(S)1:Z(4)Z(4)200:Z(5)Z(4)Z(9)Z(3)Z(8)Z(2)Z(7)Z(1)=ZI19:Z$(I)(Z(I))VdZ$(I)" 0"Z$(I)""\n}x""12)Z$(7)28)Z$(8)""34)Z$(9)33)Z$(5)34)Z$(3)""Z$(4)""12)Z$(1)28)Z$(2) -CLEAR EXP'T DATA FROM SCREEN!I19:Z(I)0:Z$(I)"":A""11)" "28)" "W""34)" "i33)" "y34)" "" """11)" "28)" " -THE INSTRUCTIONS ROUTINE-"320:I11000::G1:370:I11000:,650:I11000::S8:650:I12000:.6"":1910W@"1) DEMONSTRATION OF THE EFFECT"uJ"KEY EFFECT"T""^" 5 CREATE PARTICLE PATH AND ERASE"h" G PLACES THE GOLD FOIL"r" R REMOVES THE GOLD FOIL?|" ALPHA PARTICLE DEFLECTIONS"g" "" 9 3 UPPER AND LOWER SMALL ANGLE"" 8 2 UPPER AND LOWER LARGE ANGLE"" 7 1 UPPER AND LOWER REVERSE ANGLE""PRESS ANY KEY WHEN READY"$A$:A$""17203"":1910V"2) THE EXPERIMENT ITSELF"t"KEY EFFECT"""" E THE EXPERIMENT TAKES PLACE."" EACH FULL BEAM OF PARTICLES" " REPRESENTS 200 ALPHA PARTICLES."H" THIS OCCURS 10 TIMES, WITH"w" THE FULL BEAM AND ALL DEFLECTIONS"" TOTALLED AND DISPLAYED."&" IF THE GOLD FOIL IS NOT IN PLACE"0" THEN NO DEFLECTIONS WILL OCCUR."*:" PRESSING THE KEY AGAIN WILL REPEAT";XD" THE ABOVE, ADDING TO THE TOTALS."N" C THIS CLEARS ALL EXPERIMENTAL DATA"X"PRESS ANY KEY WHEN READY"bA$:A$""1890lv"RUTHERFORD'S ALPHA PARTICLE EXPERIMENT"'""-CURS 10 TIMES, WITH"w" THE FULL BEAM AND ALL DEFLECTIONS"" TOTALLED AND DISPLAYED."&" IF THE GOLD FOIL IS NOT IN PLACE"0" THEN