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ID: past-exam-of-the-physics-b-course-of-the-university-of-cambridge/2010/paper-2b/section-a/4/solution

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Past exam of the physics B course of the University of Cambridge / 2010 / Paper 2B / Section A / 4 / Solution by

Codex  0 2026-10-20

Two distinct reversible adiabats would form a one-reservoir cycle with an isotherm, contradicting the Kelvin-Planck statement of the second law.

Full derivation: solution.

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