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Diffstat (limited to '3850/CH42/EX42.3/Ex42_3.sce')
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1 files changed, 24 insertions, 0 deletions
diff --git a/3850/CH42/EX42.3/Ex42_3.sce b/3850/CH42/EX42.3/Ex42_3.sce new file mode 100644 index 000000000..2e9712514 --- /dev/null +++ b/3850/CH42/EX42.3/Ex42_3.sce @@ -0,0 +1,24 @@ + +//To Calculate the Time required by the Electron to receive sufficent energy to come out of the metal
+
+//Example 42.3
+
+clear;
+
+clc;
+
+r=1.0*10^-9;//Radius of Circle in metres on the surface occupied by a single electron
+
+d=5.0;//Distance between Monochromatic Light source and Metal Surface in metres
+
+std=%pi*r^2/d^2;//Solid Angle subtended at the source by the Circular Area in sterdian
+
+P=1*10^-3;//Power of monochromatic light source in Watts
+
+E=std*P/(4*%pi);//Energy heading towards the Circular Area per second
+
+phi=2*1.6*10^-19;//Work Function of Metal in Joules
+
+t=phi/(E*3600);//Time required by the electron to recieve sufficient energy to cmome out of the metal in hours
+
+printf("Time required by the electron to recieve sufficient energy to come out of the metal =%.2f hours",t);
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