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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
1
Medium
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Understanding
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Assertion: A gas can be liquefied at any temperature by increase of pressure alone.
Reason: On increasing pressure the temperature of gas decreases.
Reason: On increasing pressure the temperature of gas decreases.
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Correct option: D
If both assertion and reason are false
Option D (If both assertion and reason are false) is correct because a gas cannot be liquefied at any temperature by pressure alone, and increasing pressure generally increases the temperature of a gas.
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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