MDCAT Physics MCQ #3403

A Carnot refrigerator operates between 250 K and 300 K. What is its coefficient of performance?

MDCAT Physics MCQ #3403

  1. Question 1

    Q1. A Carnot refrigerator operates between 250 K and 300 K. What is its coefficient of performance?

    • A) 4
    • B) 5
    • C) 6
    • D) 7

    Answer: 5

    Explanation: COP = T_c / (T_h - T_c) = 250 / (300 - 250) = 5. Other options miscalculate or misunderstand the COP of a refrigerator.