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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
- Charge passing through a conductor of cross-section area A=0.3 m² is given
- Charge Q is divided into two parts which are then kept some distance apart. The force
- A radioactive nucleus emits a beta particle. The parent and daughter nuclei are
- Stress to strain ratio is equivalent to
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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