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Longitudinal Waves

Assertion :St...

Question

Assertion :Statement-1 : In the case of a stationary wave, a person hear a loud sound at the pressure nodes as compared to the antinodes.
and Reason: Statement-2 : In a stationary wave all the particles of the medium vibrate in phase.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

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B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1

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C

Statement-1 is True, Statement-2 is False

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D

Statement-1 is False, Statement-2 is True.

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Solution

The correct option is C Statement-1 is True, Statement-2 is False
statement 1: Pressure node means amplitude anti-node. So there will be maximum amplitude on pressure node that is we hear a loud sound at pressure nodes.
Statement 2: In Stationary waves all particles do not vibrate in same phase.
If the statement was in a stationary waves all Particles "Between two Adjacent Nodes" vibrate in same phase then it will be correct statement. But the statement given is false.

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