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In the figure shown, for an angle of incidence 45 o at the top surface what is the minimum refractive index for the total internal reflection at vertical face

In the figure shown, for an angle of incidence 45o at the top surface what is the minimum refractive index for the total internal reflection at vertical face 

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1 Answers

Arun
25763 Points
3 years ago
Dear student
 
I am getting my answer as 
mu = sqrt (3/2)
 
 
Hope ot helps
 
Regards
Arun (askIITians forum expert)

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