Physics, asked by aryanlohia2268, 1 year ago

what do mean by refractive index ?

Answers

Answered by rocky77777777

the ratio of the velocity of light in a vacuum to its velocity in a specified medium.

Answered by Anonymous

In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how fast light propagates through the material. It is defined as. where c is the speed of light in vacuum and v is the phase velocity of light in the medium.

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