Homework Answers
part a )
n1sintheta = n2 sinthetav
n1 = 1.558
sintheta = 40.1
n2 =1
total internal reflection will happen in violet light
theta = 90 degree
part b )
in red light
n1 = 1.541
it will go into the air , in red light
n1sinthetai = n2 sinthetav
thetav = 83.02 degree
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