Physics, asked by sanika3728, 7 months ago

what is refractive index​

Answers

Answered by Rishukumar123
1

Answer:

In optics, the refractive index of a material is a dimensionless number that describes how fast light travels 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.

Explanation:

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