What is refractive index in optical physics?

#Physics

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What is refractive index in optical physics?

Buddhu singh 15th Jan, 2020

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Khushi 15th Jan, 2020

Hello!!

In optics, the refractive index or index of refraction 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.

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