Question:-
The coefficient of performance of a refrigerator working on a reversed Carnot cycle is 4. The ratio of the highest absolute temperature to the lowest absolute temperature is
Option (A)
1.2
Option (B)
1.25
Option(C)
3.33
Option(D)
4
Correct Option:
(B)
Question Solution:
COP = (T1/(T2-T1)) = 4
\ (T2/T1) = 1.25
question-answer-faq-3180