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JEE PHYSICS MCQ: THERMODYNAMICS
1
Medium
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Analyzing
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Assertion(A): In adiabatic expansion process, the product of and always decreases.
Reason(R): In adiabatic expansion process, work is done by the gas at the cost of internal energy of gas.
Reason(R): In adiabatic expansion process, work is done by the gas at the cost of internal energy of gas.
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Correct option: A
Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Option A is correct because in an adiabatic expansion, the gas does work at the expense of its internal energy, leading to a decrease in both temperature and the product of pressure and volume.
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