Q78 / 90 · JEE Main 2012 (26 May Online) · Physics

The door of a working refrigerator is left open in a well insulated room. The temperature of air in the room will

A
decrease
B
increase in winters and decrease in summers
C
remain the same
Correct answer
D
increase

Solution

In a refrigerator, the heat dissipated in the atmosphere is more than that taken from the cooling chamber, therefore the room is heated. If the door of a refrigerator is kept open.

Hence, the correct answer is option: 'D'.

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