# NEET Physics Kinetic Theory of Gases Questions Solved

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

1. ${\mathrm{T}}_{1}+{\mathrm{T}}_{2}$

2. $\left({\mathrm{T}}_{1}+{\mathrm{T}}_{2}\right)/2$

3. $\frac{{\mathrm{T}}_{1}{\mathrm{T}}_{2}\left({\mathrm{P}}_{1}{\mathrm{V}}_{1}+{\mathrm{P}}_{2}{\mathrm{V}}_{2}\right)}{{\mathrm{P}}_{1}{\mathrm{V}}_{1}{\mathrm{T}}_{2}+{\mathrm{P}}_{2}{\mathrm{V}}_{2}{\mathrm{T}}_{1}}$

4. $\frac{{\mathrm{T}}_{1}{\mathrm{T}}_{2}\left({\mathrm{P}}_{1}{\mathrm{V}}_{1}+{\mathrm{P}}_{2}{\mathrm{V}}_{2}\right)}{{\mathrm{P}}_{1}{\mathrm{V}}_{1}{\mathrm{T}}_{2}+{\mathrm{P}}_{2}{\mathrm{V}}_{2}{\mathrm{T}}_{2}}$

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