3769/CH23/EX23.5/Ex23_5.sce


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clear
//Given
A=2*10**-4
I=30*10**-2
t=1
E=6.62*10**-19

//Calculation
n=(I*A)/E

//Result
printf("\n Rate at which photons strike the surface is %0.2f *10**13 photons/s",n*10**-13)