AMU Medical AMU Solved Paper-2001

  • question_answer
    By opening the door of a refrigerator which is inside a room, the temperature of room

    A)  first decreases then increases

    B)  remains unchanged

    C)  increases

    D)  decreases

    Correct Answer: C

    Solution :

                     When the door of a refrigerator is opened, heat moves from its cold interior to an outside hot exterior. The work that has to be done to do this process also heats the outside. Opening the door means the refrigerator keeps running and puts out more energy into the room, hence increasing the room temperature.


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