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Revisiting Standing Waves

Consider the ...

Question

Consider the following statements about sound passing through a gas.

(A) The pressure of the gas at a point oscillates over time.

(B) The position of a small layer of the gas oscillates over time.

A

Both A and B are correct.

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B

A is correct but B is wrong

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C

B is correct but A is wrong.

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D

Both A and B are wrong.

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Solution

The correct option is A
Both A and B are correct.

In air, sound waves are longitudinal. Hence, pressure changes are observed at different positions along the direction of propagation.

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Similar questions

Q. Consider the following statements about sound passing through a gas

(A)

The pressure of the gas at a point oscillates with time

(B)

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(B) The position of a small layer of the gas oscillates in time.

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