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JEE PHYSICS MCQ: KINETIC THEORY OF GASES
1
Medium
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Analyzing
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Assertion(A): If initial and final volumes are equal, then work done by gas is zero.
Reason(R): In isochoric process, initial and final volumes are equal and work done by gas is zero.
Reason(R): In isochoric process, initial and final volumes are equal and work done by gas is zero.
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Correct option: D
If Assertion is incorrect but Reason is correct.
Option D is correct. The assertion is incorrect because work done is zero only if the volume remains constant *throughout* the process, not just at the initial and final states. The reason is correct because it accurately describes an isochoric process.
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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