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A ray of light incident on a trasparent sphere at an angle 45degrees and refracted at an angle r, emerges from the sphere after suffering one internal reflection. The total angle of deviation of the ray is

A ray of light incident on a trasparent sphere at an angle 45degrees and refracted at an angle r, emerges  from the sphere after suffering one internal reflection. The total angle of deviation of the ray is


 

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1 Answers

Sumit Majumdar IIT Delhi
askIITians Faculty 137 Points
7 years ago

Hello Student,

The total angle of deviation is equal to 2700.

The reason is when the light comes out of the sphere finally, it would have the same angle of refraction as the initial angle of incidence.

Thanks & Regards
Sumit Majumdar, 
askIITians Faculty
Ph.D, IIT Delhi

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