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JEE PHYSICS MCQ: THERMODYNAMICS

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When heat energy of 1500joules1500joules, is supplied to a gas at constant pressure2.1×105N/m22.1 \times {10^5}N/{m^2}, there was an increase in its volume equal to 2.5×10−3N/m22.5 \times {10^{ - 3}}N/{m^2}. The increase in internal energy of the gas in joules is
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Correct option: C
975
Option C (975) is correct because it is the result of subtracting the work done by the gas from the total heat supplied, according to the first law of thermodynamics.

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