Question Bank MCQ • 1 Mark Section 5: Thermodynamics & Statistical Physics Thermodynamics & Statistical Physics - Module 4

QB_PH_146: Thermodynamics & Statistical Physics - Module 4

Question Statement

In an isothermal reversible process, the maximum mechanical work obtained equals the decrease in:
(A) Helmholtz free energy $F$
(B) Gibbs free energy $G$
(C) Internal energy $U$
(D) Enthalpy $H$
Correct Answer
A
Verified Key

Step-by-Step KaTeX Derivation & Detailed Explanation

### Solution: $W_{max} = -\Delta F$ at constant temperature.
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