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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
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Understanding
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The temperature of a gas is held constant, while its volume is decreased. The pressure exerted by its volume is decreased. The pressure exerted by the gas on the walls of the container increases, because its molecules
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Correct option: A
Strike the walls more frequently
Option A (Strike the walls more frequently) is correct because decreasing the volume at constant temperature increases the frequency of molecular collisions with the container walls.
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Assertion: The pressure exerted by an enclosed ideal gas does not depend on the shape of the container.
Reason: The pressure of an ideal gas depends on the number moles, temperature and volume of the enclosed If is the velocity of sound in air and is the rms velocity, then Four particles have velocities . The root mean square of the particles is (in ) The translational degrees of freedom and rotational degrees of freedom of molecule are: On any planet, the presence of atmosphere implies (= root mean square velocity of molecules and escape velocity) At a given temperature, the pressure of an ideal gas of density is proportional to
Reason: The pressure of an ideal gas depends on the number moles, temperature and volume of the enclosed If is the velocity of sound in air and is the rms velocity, then Four particles have velocities . The root mean square of the particles is (in ) The translational degrees of freedom and rotational degrees of freedom of molecule are: On any planet, the presence of atmosphere implies (= root mean square velocity of molecules and escape velocity) At a given temperature, the pressure of an ideal gas of density is proportional to