| ⇦ | 
| ⇨ |
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 velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity
- A cell of emf E and internal resistance r supplies current for the same time
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity
- A cell of emf E and internal resistance r supplies current for the same time
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply