What is refractive index

1.	What is refractive index
Answer» ong>Answer: In OPTICS, the refractive index of a material is a dimensionless number that describes how fast light TRAVELS through the material. It is defined as where C is the speed of light in vacuum and v is the PHASE VELOCITY of light in the medium. Hope it would help you...

Answer»

ong>Answer:

In OPTICS, the refractive index of a material is a dimensionless number that describes how fast light TRAVELS through the material. It is defined as where C is the speed of light in vacuum and v is the PHASE VELOCITY of light in the medium.

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What is refractive index​

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What is refractive index