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//Chapter-1,Example 1_23,Page 1-46
clc()
//Given Data:
theta=20/3600*%pi/180 //angle of wedge in radians
B=0.25*10^-2 //fringe spacing
u=1.4 //Refractive index of film
//Calculations:
//We know, B=lam/(2*u*theta).
lam=2*B*theta*u //wavelength of light
printf('Wavelength of light is =%.10f m',lam)
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