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Energy of all molecules of a monoatomic gas having a volume V and pressure P is (3PV/2). The total translational kinetic energy of all molecules of a diatomic gas having the same volume and pressure is
Options
(a) PV/2
(b) 3PV/2
(c) 5PV/2
(d) 3PV
Correct Answer:
3PV/2
Explanation:
Translational kinetic energy depends upon translational degree of freedom. These degree are three for monoatomic as well as diatomic gases. Hence under same pressure, equal volumes of monoatomic and diatomic molecules have same translational kinetic energy i.e. (3 / 2) PV.
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Topics: Behavior of Perfect Gas and Kinetic Theory
(34)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle of unit mass undergoes one-dimensional motion such that its velocity varies
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
- λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
Topics: Behavior of Perfect Gas and Kinetic Theory (34)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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