Physics, asked by alib6101, 1 year ago

What is Refractive Index?

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Answered by ansistkharms
1

In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how fast light propagates 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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Answered by CᴀɴᴅʏCʀᴜsʜ
1

Answer:

Refractive index is the measure of bending of a light ray when passing from one medium to another. It can also be defined as the ratio of the velocity of a light ray in an empty space to the velocity of light in a substance .

n = c/v

where , n is the refractive index of the medium

c is the velocity of light in vacuum

v is the velocity of light in the medium

Explanation:

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