# NEET Physics Kinetic Theory of Gases Questions Solved

Two ideal gases at absolute temperature ${\mathrm{T}}_{1}$ and ${\mathrm{T}}_{2}$ are mixed. There is no loss of energy. The masses of the molecules are ${\mathrm{m}}_{1}$ and ${\mathrm{m}}_{2}$ and the number of molecules in the gases are ${\mathrm{n}}_{1}$ and ${\mathrm{n}}_{2}$ respectively. The temperature of mixture will be

1.

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

3. $\frac{{\mathrm{n}}_{1}{\mathrm{T}}_{1}+{\mathrm{n}}_{2}{\mathrm{T}}_{2}}{{\mathrm{n}}_{1}+{\mathrm{n}}_{2}}$

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

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