Question

The S.I unit of refractive index is​

Answer 1

$\bold{Question}$

The S.I unit of refractive index is ....

$\huge\mathbf\purple{Answer \: :-}$

Unit of refractive index (μ) will be the ratio of the unit of speed of light in vacuum(c) to the speed of light in the given medium(v).

$\mathbf\red{Given \: : }$

The unit of refractive is 1, which means the refractive index is just a number without any unit.

$\mathbf\pink{Explaination \: -}$

The ratio of velocity of light in a material divided with velocity of light in vacuum. This is what is meant by "integral".

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