disp("λ=c*h/E"); h=6.626*10^-34; c=2.998*10^8; E=1.5*10^-19; d=c*h/E; printf('\nThe value of λ is %fμm',d*10^6); n=0.65; e=1.602*10^-19; R=n*e/E; printf('\nThe value of R is %fA/W',R); disp("Po=Ip/R"); Ip=2.5*10^-6; Po=Ip/R; printf('\nThe required incident opticalpower is %fμW',Po*10^6);