Question

define absolute refractive index
define absolute refractive index ​

Answer 1

Answer:

Absolute refractive index is the refractive index of a medium in vacuum. More specifically, it is the ratio of the spped of light in vacuum to the speed of light in that medium. It is always greater than one .

Answer 2

The absolute refractive index is defined as a ratio of the speed of light in vacuum and in selected medium. Generally, the refractive index depends on the wavelength of incident light. Relative refractive index is defined as a ratio of speeds of light in two different media.

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