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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The angle of incidence is found to be twice the angle of refraction when a ray of light passes from vacuum into a medium of R.I. . The angle of incidence will be [MH-CET 2009]

Answer: (B)

Solution

With , , so and

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Question ID VK-077266