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Question

In Snell’s law,

sinisinr = v1v2 = constant
This constant is called as:


A

reflective index

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B

light index

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C

refractive index

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D

none of these

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Solution

The correct option is C

refractive index


The constant is called as refractive index. By Snells law, refractive index is proportional to the ratio of angle of incidence to angle of refraction.This can further be equated to the ratio of speed of light in the two media.


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