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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
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A flask contains Hydrogen and Argon in the ratio by mass. The temperature of the mixture is . The ratio of average kinetic energy per molecule of the two gases ( argon/ hydrogen) is:
(Given : Atomic Weight of )
(Given : Atomic Weight of )
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Correct option: B
1
Option B (1) is correct because the average kinetic energy per molecule depends only on temperature, which is the same for both gases.
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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