Assertion: Compression and rarefaction involve changes in density and pressure. Reason: When par....

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Assertion: Compression and rarefaction involve changes in density and pressure.
P
Reason: When particles are compressed, density of
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medium increases and when they are rarefied, density of medium decreases.
(1) If both assertion and Reason are true and the Reason is the correct explanation of the assertion.
(2) If both assertion and Reason are true but Reason is not the correct explanation of the assertion.
(3) If assertion is true but Reason is false.
(4) If the assertion and Reason both are false.


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