Assertion :It the temperature of the atmospheric air is decreased, the velocity of sound waves propagating through it increases. Reason: The propagation of sound through atmospheric air is in the form of longitudinal waves.

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 D Both Assertion and Reason are incorrect
If the temperature of the atmospheric air is decreased, the velocity of the sound wave will also be decreased. So the assertion is incorrect.
Longitudinal waves are possible in those media which resist change in volume
Transverse waves are possible in those media which resist change in shape.
So option D is correct.

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