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Write a Short Note on Refractive Index..

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Answer 1

Answer:

Refractive Index = Refractive index, also called index of refraction, measure of the bending of a ray of light when passing from one medium into another. ... Refractive index is also equal to the velocity of light c of a given wavelength in empty space divided by its velocity v in a substance, or n = c/v.

Refractive index is used to measure solids, liquids, and gases. Most commonly it is used to measure the concentration of a solute in an aqueous solution. It can also be used as a useful tool to differentiate between different types of gemstone, due to the unique chatoyance each individual stone displays.

Answer 2

Answer:

Refractive index (n)=c/v

Explanation:

The ratio of the speed of light in vacuum to the speed of light in a medium is called refractive index of medium.

It is also called as absolute refractive index

Refractive index of medium 2 with respect to medium 1 is n21 = V1/V2

Refractive index of medium 1 with respect to medium 2 is n21 = V2/V1

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