Question

what do you mean by absolute refractive index ​

Answer 1

Answer:

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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Answer 2

Answer:

Absolute refractive index of a medium is defined as a ratio of velocity of a light In an vaccum to the velocity of the light in the medium. if C is the velocity of light in vaccum and v is the medium then,:n=c/v

Explanation:

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