Explain Relative Refractive Index.
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Answer:
a number indicating the speed of light in a given medium as either the ratio of the speed of light in a vacuum to that in the given medium (absolute index ofrefraction) or the ratio of the speed of light in a specified medium to that in the given medium (relative index ofrefraction).
Symbol: n.
Refractive index.
Speed of light in vacuum= 3.00×108 m/s.
The amount of change in speed of light in a medium depend upon the property of medium (refractive index) Refractive index is a measure of how much speed of light changes when it enter the medium from air.
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