Question

If the refrigerator door is kept open in a room what would happen in room temperature

Answer 1

the temperature of the room would definitely increase but not decrease

if the refrigerator door is kept open.the temperature in refrigerator is less

 compared to that of the room and if it is open then the air will be in contact

 due to this the both bodies attain a equilibrium temperature and thus the

 temperature of refrigerator increases.If the temperature of the refrigerator

increases then the thermostat needs to maintain the temperature of the

refrigerator.So,the motor in the refrigerator works more and the heat is

pushed into the room to maintain the temperature of the refrigerator and as

heat is pushed into the room the temperature of the room gets increased.

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Answer 2

Answer:

• As a refrigerator is a heat pump.  
• Hence it extracts heat from a low temperature reservoir and transfers it to a high temperature reservoir.  
• Thus, refrigerator exhausts more heat into the room than it extracts from it. Hence, the room will become warm.