Question

what is refractive index

Answer 1

refractive index is the ratio by which any light ray bends when it switches from one medium to another .... medium could be from low density from high density for example I have to have glass or water......
important about refractive index is that it is a unitless physical quantity

Answer 2

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нєяє ιѕ уσυя αиѕωєя

Refractive index:- the ratio of speed of radiation (such as light ) in one medium (such as air,glass,or a vacuum ) to that in another medium.


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