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JEE PHYSICS MCQ: THERMODYNAMICS
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A container of volume is divided into two equal compartments, one of which contains an ideal gas at 400 K. The other compartment is vacuum. The whole system is thermally isolated from its surroundings. The partition is removed and the gas expands to occupy the whole volume of the container. Its temperature now would be
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Correct option: B
400 K
Option B (400 K) is correct because in free expansion, the temperature remains constant as no work is done and the system is thermally isolated.
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