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JEE PHYSICS MCQ: THERMODYNAMICS
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Medium
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Understanding
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An ideal gas is allowed to expand freely against a vacuum in a rigid insulated container. The gas undergoes
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Correct option: C
Neither an increase nor a decrease in its temperature or internal energy
Option C (Neither an increase nor a decrease in its temperature or internal energy) is correct because in free expansion against a vacuum, no work is done, and for an ideal gas, internal energy depends only on temperature.
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