Question

Define absolute refractive index. Why is it always greater than one??​

Answer 1

Answer:

absolute refractive index can never be less than one . As absolute refractive index is ratio of speed of light in vacuum to that in the given medium, we can say it is alwaysgreater than one. This is because light travels with the highest speed in vacuum.

Explanation:

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Answer 2

Answer:

absolute refractive index can never be less than one . As absolute refractive index is ratio of speed of light in vacuum to that in the given medium, we can say it is alwaysgreater than one. This is because light travels with the highest speed in vacuum.

Explanation:

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