Question:-
A Carnot refrigerator has a COP of 6. What is the ratio of the lower to the higher absolute temperatures ?
Option (A)
1/6
Option (B)
7/8
Option(C)
6/7
Option(D)
1/7
Correct Option:
(C)
Question Solution:
COP = {T1 / (T2-T1)}
T1 = Lower temperature
T2 = Higher temperature
6 = {T1/(T2-T1)}
\ (T1/T2) = 6/7
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