//Chapter 2 : Diffraction clear; //Variable declaration lamda1=5890*10**-8 //waveleght lamda2=5896*10**-8 //waveleght N=6000 //number of lines for diffraction grating //Calculations theta1=((asin(2*lamda1*N))*180/%pi) theta2=((asin(2*lamda2*N))*180/%pi) //Result mprintf("Angular separation= %.2f degrees",(theta2-theta1))