Assertion :A Diamond sparkles more than a glass imitation cut to the same shape. Reason: The refractive index of diamond is less than that of glass.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Diamond have very high refractive index (about $2.42$ ) $1.5$ times that of glass.Comparing with same glass as diamond shape. Diamond will reflect more light and therefore sparkle more.

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Assertion :A Diamond sparkles more than a glass imitation cut to the same shape. Reason: The refractive index of diamond is less than that of glass.

The correct option is C Assertion is correct but Reason is incorrectDiamond have very high refractive index (about 2.42) 1.5 times that of glass.Comparing with same glass as diamond shape. Diamond will reflect more light and therefore sparkle more.

The correct option is C Assertion is correct but Reason is incorrect
Diamond have very high refractive index (about $2.42$ ) $1.5$ times that of glass.Comparing with same glass as diamond shape. Diamond will reflect more light and therefore sparkle more.