The coefficient of performance of a refrigerator is 5. If the temperature inside

The Coefficient Of Performance Of A Refrigerator Is 5 If Physics Question

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:

  1. An inductor is connected to an a.c. source when compared to voltage,
  2. In stretching a spring by 2 cm, energy stored is given by U. Had is been stretched
  3. Electron in hydrogen atom first jumps from third excited state to second excited
  4. A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
  5. A body of mass m is orbiting the earth at a radius r from the center of earth

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*