clc // // // //Variable declaration n=8 //number of fringes lambdaa=5893*10**-10 //Wavelength mu=1.5 //Refractive index cosr=(2*sqrt(2))/3 //Calculations t=(n*lambdaa*10**6)/(2*mu*cosr) //Result printf("\n The Thickness is %0.3f mu m",t)