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Question
The door of a working refrigerator inside a closed room was left open. Then
The door of a working refrigerator inside a closed room was left open. Then
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Solution
The correct option is D The room will be warmed up gradually
In a refrigerator, heat is rejected to the surrounding from the back compartment of the refrigerator, due to this heat the temperature of the room increases. When the door is left open, heat is absorbed by refrigerator from the entire room instead of just compartment, therefore, heat absorbed is lesser than heat rejected from the back , hence the temperature of the room increases even now when the door is left open.
In a refrigerator, heat is rejected to the surrounding from the back compartment of the refrigerator, due to this heat the temperature of the room increases. When the door is left open, heat is absorbed by refrigerator from the entire room instead of just compartment, therefore, heat absorbed is lesser than heat rejected from the back , hence the temperature of the room increases even now when the door is left open.
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