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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The time taken by a sunlight to pass through the window glass of thickness 5 mm whose refractive index is 1.5 will be: [PMT 1993]

Answer: (A)

Solution

s; 2×10⁻¹¹ s

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Question ID VK-076965