4690. The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for September 7, 2025 by Admin A. Reversible isothermal volume change B. Heating of a substance C. Cooling of a substance D. Simultaneous heating and expansion of an ideal gas ✅ The correct answer is option D.
