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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
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Imagine a planet whose diameter and mass are both one half of those of Earth. The day's temperature of this planet's surface reaches up to . Find whether oxygen molecules are possible in the atmosphere of this planet.
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Correct option: A
is very small compared to escape velocity on the planet, molecules cannot escape from the surface of the planet's atmosphere
Option A ( is very small compared to escape velocity on the planet, molecules cannot escape from the surface of the planet's atmosphere) is correct because the calculated RMS velocity is much less than the escape velocity.
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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