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cse • paper_1 • thermal_physicscse-2003-subject-04-001

Specific heat — UPSC CSE 2003 Physics PYQ

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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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