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//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))
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