Assertion :Waves produced in a cylinder containing a liquid by moving its piston back and forth are longitudinal waves. Reason: In longitudinal waves, the particle of the medium oscillate parallel to the direction of propagation of the wave.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
In a longitudinal wave, the particles of the medium vibrate to and fro parallel to the direction of propagation of the wave. When a piston is moved back and forth the waves in a cylinder containing a liquid produces a series of compressions and rarefactions resulting in a longitudinal wave.

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