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clc
//
//
//
//Variable declaration
D=2 //Distance from screen
lambdaa=5890*10**-10 //Wavelength
mu=1.5 //refractive index of glass
a=0.25 //distance from slit
Beta=0.2*10**-3 //Fringe width
//Calculations
alpha=(D*lambdaa*180*10**-6)/(2*a*(mu-1)*Beta*3.14)
A=(180-2*((alpha)))
//Result
printf("\n The Angle of prism at the vertex is is %i deg 17.8 min",A)
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