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What is refractive index? What is …

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What is refractive index? What is it's S.I. unit?
  • 4 answers

Bipin Kumar 4 years, 5 months ago

Such there no any unit for n.

Bipin Kumar 4 years, 5 months ago

Refractive index is the ratio of velocity of light in air to the velocity of air in any media.
This is a measure of how much light slows down when moving from one medium to another

Nisa Saini 4 years, 5 months ago

This is a measure of how much light slows down when it goes into a new medium .... and Refractive index ki koi si unit nahi hote h okk
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