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A piston of mass m can move without fric...

A piston of mass m can move without friction in a uniform closed cylinder at one end. A gas is enclosed in it. For this situation mark the correct statement(s)

A

If cylinder is kept horizontal then pressure of gas must be equal to atmospheric pressure.

B

If cylinder is kept vertical then pressure of gas may be greater than atmospheric pressure.

C

If cylinder is kept vertical then pressure of gas must be greater than atmospheric pressure

D

If cylinder is kept vertical then pressure of gas can’t be equal to atmospheric pressure

Text Solution

Verified by Experts

The correct Answer is:
A, B
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