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You are given three media A, B and C of refractive index 1.33, 1.65 and 1.46. The medium in which the light will travel

You are given three media A, B and C of refractive index 1.33, 1.65 and 1.46. The medium in which the light will travel fastest is (a) A (b) B (c) C (d) equal in all three media

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