Question

what is refractive index ? plz ans in easy language......not copy and paste. ​

Answer 1

Answer:

the ratio of the velocity of light in a vacuum to its velocity in a specified medium is called refractive index

Explanation:

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Answer 2

Answer:

I think it can be simply defined as the ratio of the velocity of light in a vacuum to its velocity in a specified medium. but it could be of water as well so .....

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