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JEE PHYSICS MCQ: THERMODYNAMICS
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A sample of ideal gas is heated at constant pressure. If an amount of heat is supplied to the gas, find (a) the change in internal energy of the gas, (b) the work done by the gas.
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Correct option: C
100 J; 40 J
Option C (100 J; 40 J) is correct because when heat is supplied at constant pressure, part of it increases internal energy and the rest does work, with Δ U = 100 J and Δ W = 40 J.
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