Science, asked by rishitapatel5566, 8 months ago

plz help to get answer

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Answered by Shivanishad

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Light may travel from rarer to denser medium or from denser to rarer medium. When we say refractive index of diamond is 2.42, it means light is travelling from rarer to denser medium, and speed of light in air (vacuum) is 2.42 times the speed of light in diamond.

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