Question

what is refractive index? explain clearly the two types of refractive index?​

Answer 1

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Refractive index, also called index of refraction, measure of the bending of a ray of light when passing from one medium into another.

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2 types of refrective index :-

• Relative refractive index– It is the ratio of speed of light in one medium to the speed of light in another medium

• Absolute refractive index– It is the ratio of light in vacuum to the speed of light in another medium.

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