clc; clear all; n = 1000; // Number of fringes observed d = 0.3165e-3; // Distance moved lambda = (2*d)/n; // Condition for interference is disp('m',lambda,'The wavelength of light used is') lamda=lambda*1e10;//conversion in Angstrome disp('Angstrom',lamda,'The wavelength of light used is ') //rounding off value of lambda in meter due to scilab..