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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists
- The dimensional formula for Young’s modulus is
- A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
- Two bodies of mass 0.25 kg each moving towards each other with velocity
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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