3755/CH12/EX12.4/Ex12_4.sce


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clear
//
//
//

//Variable declaration
P=10*10^-3;     //power(W)
d=1.3*10^-3;      //diameter(m)

//Calculation
I=4*P/(%pi*d^2);      //intensity of beam(W/m^2)

//Result
printf("\n intensity of beam is %0.1f kW/m^2",I/10^3)