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Consider the following statements about ...

Consider the following statements about and passing through a gas.
A. the pressure of the gas at a point oscillates with time.
B. The position of a small layer of the gas oscillates with time.

A

Both `(i)` and `(ii)` are correct.

B

`i` is correct but `(ii)` is wrong

C

`(ii)` is correct but `(i)` is wrong

D

Both `(i)` and `(ii)` are wrong

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The correct Answer is:
A
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