377/CH15/EX15.5/15_5.sce


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disp("λ=c*h/Eg");
h=6.626*10^-34;
c=2.998*10^8;
E=1.43*1.6*10^-19;
d=c*h/E;
printf('\nThe value of λ is %fμm',d*10^6);