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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The critical angle for light travelling from medium P to medium Q is ''. The speed of light in medium P is 'v'. Then the speed of light in medium Q is [MHT-CET 2023]

Answer: (D)

Solution

, so ; the expressions with

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Question ID VK-069435