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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A ray of light is incident on denser medium making an angle of with the surface. After refraction it is deviated by form its initial path. the refractive index of denser medium will be :

Answer: (C)

Solution

i = 90° − 40° = 50°, r = 50° − 12° = 38°, μ = sin50°/sin38° = 1.244 ≈

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Question ID VK-077015