Question

Define the term refractive index of a medium can it be less than 1

Answer 1

The refractive index of a transparent medium is always greater than 1,it can not be less than 1 because speed of light in any medium is always less than that in vacuum.



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Answer 2

Answer:

the refractive index of a transparent medium is always greater than 1 it cannot be less than one because speed of light in any medium is always less than that in vacuum....

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