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KEAM 2021 Physics and Chemistry Solved Paper

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Question : 64

Total: 120

Two thermally insulated identical vessels A and B are connected through a stopcock. A contains a gas at STP and B is completely evacuated. If the stopcock is suddenly opened then

temperature is halved
internal energy of the gas is halved
internal energy of the gas and pressure are halved
temperature and internal energy of the gas remain the same
pressure and internal energy of the gas remain the same

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