Two identical containers A and B with fr...

Two identical containers A and B with frictionless pistons contain the same ideal gas at the same temperature and of volume. The mass of the gas in A is `m_A` and that same in B is `m_g`. The gas in each cylinder is now allowed to expand isothermally to the same final volume 2V. The change in the pressure in A and B are found to be `Deltap` and `1.5 Delta p` respectively then

`4m_A=9m_B`

`2m_A=3m_B`

`3m_A=2m_B`

`9m_A=4m_B`

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