What is refractive index?

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Rohit Gupta

Maths Magic

Refractive Index or index of refraction n of a material is a dimensionless number that describes how light propagates through the medium. It is represented by n = c v
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Experienced Mathematics com ECE Educator

it is ratio of the velocity of light in a vacuum to its velocity in a specified medium
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Alumni, IIT Delhi

Refractive index of a medium is the ratio of velocity of light in vacuum to its velocity in the specified medium
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labhome

speed of light in vaccum/speed of light in medium
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Working for better future of India

Refractive index of a medium is the ratio of velocity of light in vacuum to its velocity in the specified medium
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