1.

An ideal refrigerator has a freezer at a temperature of \[-13{}^\circ C.\] The coefficient of performance of the engine is 5. The temperature of the air (to which heat is rejected) will be [BHU 2000; CPMT 2002]

A.            325°C                                       
B.             325K
C.            39°C                                         
D.             320°C
Answer» D.             320°C


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