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Solution


Q.

When unpolarized light is incident at an angle of 60 on a transparent medium from air, the reflected ray is completely polarized. The angle of refraction in the medium is  [2024]
1 30  
2 60  
3 90  
4 45  

Ans.

(1)

By Brewster's law

At complete reflection refracted ray and reflected ray are perpendicular.