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JEE Main 2004 Physics question

PhysicsThermodynamicsJEE Main 2004

Two thermally insulated vessels 1 and 2 are filled with air at temperatures , volume and pressure respectively. If the valve joining two vessels is opened, the temperature inside the vessel at equilibrium will be

Answer: (3)

Solution

The vessels are insulated and no work is done, so total internal energy is conserved: , with , . Then \fracExtra open brace or missing close brace{P_1V_1$ +

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Question ID VK-038318