3769/CH23/EX23.14/Ex23_14.sce


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clear
//Given
h=6.625*10**-34
c=3*10**8
l=5600*10**-10
a=5

//Calculation
E=(h*c)/l
n=a/E

//Result
printf("\n Number of visible photons emitted per second is %0.2f *10**19 ",n*10**-19)