Why does the light ray travel slowly in diamond when compared to vacuu – InterviewSolution

1.

Why does the light ray travel slowly in diamond when compared to vacuum?

Answer»

1. Refractive index of diamond (2.42) is greater than that of vacuum (1).

2. Speed of light is inversely proportional to refractive index of substances.

3. Hence, light ray travel slowly in diamond when compared to vacuum.

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