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The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20⁰C, the temperature of the surroundings to which it rejects heat is
Options
(a) 11⁰C
(b) 21⁰C
(c) 31⁰C
(d) 41⁰C
Correct Answer:
31⁰C
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two electrons are separated by a distance of 1Å. What is the coulomb force between them?
- A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- Four point masses, each of value m, are placed at the corners of a square ABCD
- If the ionisation energy for the hydrogen atom is 13.6 eV, the energy required
- The radius of germanium nuclide is measured to be twice the radius of ₄⁹Be.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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