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//Chapter 2 : Diffraction
clear;
//Variable declaration
m=1 //first minimum
lamda=6500*10**-10 //wavelength
a=2*10**-6 //slit width
//Calculations
theta=((asin((m*lamda)/a))*180/%pi)
//Result
mprintf("Angle of first minimum theta= %.2f degrees",theta)
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