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A vessel containing 5 litres of a gas at...

A vessel containing 5 litres of a gas at 0.8 m pressure is connected to an evacuated vessel of volume 3 litres. The resultant pressure inside with be (assuming whole system to be isolated)

A

4/5 m

B

0.5 m

C

2.0 m

D

3/4 m

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The correct Answer is:
B
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