VITEEE 2025 Paper

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Question : 38 of 125

Marks: +1, -0

Which of the following statements/relationships is not correct in thermodynamic changes?

∆U=0 (isothermal reversible expansion of a gas)
w=−nRT‌ln‌
V2
V1
(isothermal reversible expansion of an ideal gas)
w=nRT‌ln‌
V2
V1
(isothermal reversible expansion of an ideal gas)
For a system of constant volume heat involved directly changes to internal energy.

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