//Exa 7.4 clc; clear; close; //given data A=5;// in m^2 intensity=660;// in W/m^2 disp("alpha= 2*rho or rho=alpha/2") disp("alpha= 3*toh or toh=alpha/3") disp("as alpha + rho + toh =1") disp("then alpha+alpha/2+alpha/3 = 1") disp("alpha = 6/11") disp("rho = 6/22") disp("toh = 6/33") alpha=6/11; rho=6/22; toh=6/33; energy_absorbed= intensity*alpha*A;// in watt disp(energy_absorbed, "Energy absorbed in watt : ") energy_transmitted=intensity*rho*A;//in watt disp(energy_transmitted,"Energy transmitted in watt :") energy_emitted= intensity*toh*A;// in watt disp(energy_emitted,"Energy emitted in watt: ")