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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
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Which statements are correct about degrees of freedom?
(A) A molecule with degrees of freedom has different ways of storing energy.
(B) Each degree of freedom is associated with average energy per mole.
(C) A monatomic gas molecule has 1 rotational degree of freedom whereas diatomic molecule has 2 rotational degrees of freedom.
(D) has a total of 6 degrees of freedom.
Choose the correct answer from the option given below:
(A) A molecule with degrees of freedom has different ways of storing energy.
(B) Each degree of freedom is associated with average energy per mole.
(C) A monatomic gas molecule has 1 rotational degree of freedom whereas diatomic molecule has 2 rotational degrees of freedom.
(D) has a total of 6 degrees of freedom.
Choose the correct answer from the option given below:
View answer and explanation
Correct option: B
(B) and (D) only
Option B is correct because, according to Einstein's photoelectric equation, the kinetic energy of emitted electrons depends on the frequency of the incident light.
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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