NEET Physics Kinetic Theory of Gases Questions Solved

Two thermally insulated vessels 1 and 2 are filled with air at temperatures T1, T2, volume V1, V2 and pressure P1, P2 respectively. If the valve joining the two vessels is opened, the temperature inside the vessel at equilibrium will be

1. T1+T2                               

2. T1+T2/2

3. T1T2P1V1+P2V2P1V1T2+P2V2T1                 

4. T1T2P1V1+P2V2P1V1T2+P2V2T2

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