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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The critical angle of light going from medium A into B is . The speed of light in medium A is V, the speed of light in medium B is :

Answer: (B)

Solution

sin θ = μ_B/μ_A = / so = V/sin θ; the other expressions do not

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Question ID VK-076974