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  • When an ideal gas is compressed adiabatically, its temperature rises the molecules on the average have more kinetic energy than before. The kinetic energy increases, (a) because of collisions with moving parts of the wall only

When an ideal gas is compressed adiabatically, its temperature rises the molecules on the average have more kinetic energy than before. The kinetic energy increases,
(a) because of collisions with moving parts of the wall only
(b) because of collisions with the entire wall
(c) because the molecules get accelerated in their motion inside the volume
(d) because of the redistribution of energy amongst the molecules

Answers (1)

The correct answer is the option (a)

The number of collisions per second between the molecules and walls increases and the mean free path becomes smaller as an ideal gas compressed. This, in turn, increases the temperature of the gas, which increased the overall kinetic energy of the gas molecules as KE depends on the temperature.

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