What is the speed of light in a medium with refractive index 1.5? - ELECTRONIC DEVICES Quiz | GKFix.in

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Question

What is the speed of light in a medium with refractive index 1.5?

A. 3.0 × 10⁸ m/s
B. 2.5 × 10⁸ m/s
C. 2.0 × 10⁸ m/s
D. 1.8 × 10⁸ m/s

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