cse • paper_1 • thermal_physics
[UPSC CSE 2003] Thermodynamics (Q133, 20M)
Two bodies A and B have the same mass m each and are made of the same material with specific heat C per unit mass. A is at a temperature T and B is at a temperature 4T. What will be the entropy change of the universe when the bodies are brought into diathermic contact with each other?
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