General science UPPSC 2008 GS-I
Question

If the doors of a refrigerator are left open for a few hours, the room temperature:

Answer & Solution

Answer: (Detailed Solution Below)

Option B: will increase

Detailed Solution:

The correct answer is “will increase”.

If the doors of a refrigerator are left open for a few hours, the room temperature will increase.

This is because a refrigerator is a heat engine that transfers heat from a cold to a hot body. When the door is left open, heat is recycled from the room into the refrigerator, then back into the room.

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