Question

Define absolute refractive index and relative index brainly

Answer 1

Answer:

Absolute refractive index is refractive index of any medium with respect to AIR or VACUUM. Relative refractive index : Relative refractive index is the ratio of the speed of light in the medium 1 to the speed of light in medium 2. The value of absolute refractive index may be greater than or less than unity.xplanation:

Answer 2

Absolute refractive index:

When the light is going from vacuum to another medium, then the value of refractive index is called the absolute refractive index.

 

Relative refractive index:

When the light goes from one medium ( other than vacuum or air) to another medium then that refractive index is called relative refractive index.  

 

Note: Refractive index of vacuum or air is 1.

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