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If Q, E and W denote respectively the heat added, change in internal energy and the work done in a closed cyclic process, then:
Options
(a) W = 0
(b) Q = W = 0
(c) E = 0
(d) Q = 0
Correct Answer:
E = 0
Explanation:
In a cyclic process, the initial state coincides with the final state. hence, the change in internal energy is zero, as it depends only on the initial and final states. But Q and W are non-zero during a cycle process.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
- The induced emf in a coil of 10 H inductance in which current varies
- A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
- Which of the following physical quantities has neither dimensions nor unit
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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