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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+clc
+//to calculate thickness of the film
+mu=1.33 //refractive index of soap film (unitless)
+i=45*%pi/180
+//the formula is mu=sini/sinr
+sinr=0.5317
+cosr=sqrt(1-(sinr)^2)
+//for destructive interference
+lambda=5890*10^-10 //wavelength in m
+n=1
+t=n*lambda/(2*mu*cosr)
+disp("the thickness of the film is t="+string(t)+"m")