NEET 2019 Physics question

Increase in temperature of a gas filled in a container would lead to :

(1)Increase in its mass
(2)Increase in its kinetic energyCorrect
(3)Decrease in its pressure
(4)Decrease in intermolecular distance

Answer: (2)

Solution

The average translational kinetic energy per molecule of a gas is , and the internal energy of an ideal gas is ; both increase when the temperature increases, so the kinetic energy of the gas increases. The mass of

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Question ID VK-092386