Question

what is mean by refractive index​

Answer 1

Answer:

great ratio of light in vacuum is known as refractive index

Answer 2

Answer:

• Refractive Index (Index of Refraction) is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density. The refractive index variable is most commonly symbolized by the letter n or n' in descriptive text and mathematical equations.

Explanation:

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