what is refractive index?

Asked by reema saxena | 1st Jan, 2014, 03:18: PM

Expert Answer:

The refractive index (µ) of a medium is the ratio of the velocity of light in vacuum (c) to the velocity of light in the medium (v).

So, µ = c/v

Refractive index of a medium is always greater than 1.

Answered by Faiza Lambe | 1st Jan, 2014, 07:02: PM

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