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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A ray of light from denser medium strikes a rarer medium at an angle of incidence 'i'. The reflected and refracted rays made an angle of with each other. The angle of reflection and refraction are r and r. The critical angle is [MHT-CET 2017]

Answer: (D)

Solution

Here and , so , i.e. \sin^{-1}\tan$

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Question ID VK-069540