Assertion - The speed of sound in solids is maximum through their density is large.
Reason - The coefficient of elasticity of solids is large.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The velocity of sound in solids is given by, $ν = \sqrt{γ / ρ}$ . Through $ρ$ is large for solids, but their coefficient of elasticity is much larger (compared to that of liquids and gases). That is why $ν$ is maximum in case of solids.

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