One mole of oxygen is expanded from a volume $1 \mathrm{~L}$ to $5 \mathrm{~L}$ at a constant temperature $T=280 \mathrm{~K}$. The change in internal energy is:

JEE PHYSICS MCQ: THERMODYNAMICS

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One mole of oxygen is expanded from a volume

1 \mathrm{~L}

5 \mathrm{~L}

at a constant temperature

T=280 \mathrm{~K}

. The change in internal energy is:

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Correct option: C

0 kJ

Option C (0 kJ) is correct because the internal energy of an ideal gas depends only on its temperature, and since the temperature is constant, the change in internal energy is zero.

JEE PHYSICS MCQ: THERMODYNAMICS

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