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It is known fact that gases expand to fi...

It is known fact that gases expand to fill all available volume and their final pressure becomes equal at every point in connected systeam.

in the given arrangement, temperature is maintained constant and the knob is opened. After the gas spreads in the second chamber also, the pressure will be:

A

`3` atm

B

`2` atm

C

`6` atm

D

`12` atm

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The correct Answer is:
B
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