Question

What are important points regarding refractive index ​

Answer 1

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✔The ratio of speed of light in vacuum to its speed in a specific medium is called Refractive Index.

✔Refractive index gradient is defined as the rate of change of refractive index with respect to distance in the material.

✔Distance refers to the slope of the refractive index profile at any point.

✔Refractive index gradient is expressed in terms of reciprocal of a unit of distance.

✔Example of a refractive index gradient are the rate of change of refractive index at any point with respect to distance.

✔Refractive index gradient is a vector point function.

✅Hope it helps you :)

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Answer 2

Explanation:

➡ The refractive index of a medium gives an indication of the light bending ability of that particular medium. ➡ It is expressed as the ratio of the sine of angle of incidence to the sine of the angle of refraction. ➡It is constant for pure substances under standard conditions.