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  3. The refractive index of diamond is 2.42. What is the meaning of this statements

. The refractive index of diamond is 2.42. What is the meaning of this statements

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Ans. The refractive index of diamond is 2.42. It means that the ratio of the speed of light in air and the speed of light in diamond is equal to 2.42.

Higher is the refractive of a medium, lower is the speed of light in that medium. Because the refractive index of diamond is very high. Therefore the speed of light in diamond is very low.

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