Question

What is the speed of light in a transparent medium having absolute refractive index 1.25?
(A) 1.25 x 108 m/s
(B) 2.4 x 108 m/s
(C) 3.0 x 10 m/s
(D) 1.5 x 108 m/s
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Answer 1

Explanation:

[Speed of light in vacuum ≈3×108m/s]