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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > If a gas is expanded at constant temperature (a) The pressure decreases (b) The kinetic energy of the molecules remains the same (c) The kinetic energy of the molecules decreases (d) The number of molecules of the gas increases

If a gas is expanded at constant temperature (a) The pressure decreases (b) The kinetic energy of the molecules remains the same (c) The kinetic energy of the molecules decreases (d) The number of molecules of the gas increases

The ratio of the rate of diffussion of helium and methane under identical condition of pressure and temperature will be