Question

what is the formula for finding refractive index​

Answer 1

Explanation:

the formula for absolute refractive index is ☆n=c/v☆

1.where n is refractive index

2.c is speed of light in vacuum

3.v is the speed of light in the given medium

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Answer 2

Answer:

n=c/v

Explanation:

n=refractive index

n=refractive index c= speed of light

n=refractive index c= speed of light v= phase velocity of light