Question

✔♦Define relative refractive index....♦✔

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Answer 1

Hey buddy

Refractive index can be defined as the ratio of the speed of light in the given mediam to the speed of light in vaccum .

Refractive index = speed of light in the given medium / speed of light in vaccum

Answer 2

The relative index of refraction is a ratio of the speed of light in one medium to the speed of light in another medium. This is as opposed to the absolute index of refraction, which is the ratio of the speed of light in a vacuum to the speed of light in a given medium. The relative index of refraction compares the speed of light in one medium to its speed in another medium, relative to it.