Question

How is the refractive index of a medium related to the speed of

light? Obtain an expression for refractive index of a medium with

respect to another in terms of speed of light in these two media?​

Answer 1

Answer:

Let v1 be the speed of light in medium 1 and v2 be the speed of light in medium 2. The refractive index of medium 2 with respect to medium 1 is given by the ratio of the speed of light in medium 1 and the speed of light in medium 2. This is usually represented by the symbol n21.

Explanation:

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