What is the refractive index of a medium where light speed is 2.0 × 10⁸ m/s? - ELECTRONIC DEVICES Quiz | GKFix.in

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Question

What is the refractive index of a medium where light speed is 2.0 × 10⁸ m/s?

A. 1.33
B. 1.5
C. 1.66
D. 2.0