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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.
Related Questions: - The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
- The de-Broglie wavelength associated with an electron accelerated by a potential
- In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
- The de-Broglie wavelength associated with an electron accelerated by a potential
- In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
- In circular coil, when number of turns is doubled and resistance becomes 1/4th
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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