Question

What you meant by absolute refractive index

Answer 1

Absolute refractive index of a medium is defined as the ratio of the velocity of light in vacuum to the velocity of light in the medium. If c is the velocity of light in vacuum and v in the medium, then n = c/v.

If n_{a} and n_{b} are the absolute refractive indices of the medium A and B respectively, then

n_{a} = c/v_{a} and n_{b} = c/v_{b}, then

Answer 2

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