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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
- In a vessel, the gas is at a pressure P. If the mass of all the molecules
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- The electirc field in a certain region is acting radially outward and is given by E=Ar.
- When the wave of hydrogen atom comes from infinity into the first orbit,
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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