Physics, asked by sudharshan86, 4 months ago

Define ‘refractive index.
​

Answers

Answered by alexalacey4
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. 

Answered by sosarajni42
0

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