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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
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Understanding
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Statement-I: Carbon dioxide molecule has six degrees of freedom.
Statement-II: Water molecule in water vapour has six degrees of freedom
Statement-II: Water molecule in water vapour has six degrees of freedom
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Correct option: C
Statement-I is true, but statement-II is false
Option C is correct. Carbon dioxide (CO2) molecule has 6 degrees of freedom, while a water molecule in water vapor has more than 6 degrees of freedom due to vibrational modes at high temperatures.
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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