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UPSC Physics Heat Question Bank Sound, Oscillations, Heat and Thermodynamics

  • question_answer
          If the door of a running refrigerator in a closed room is kept open, what will be the net effect on the room?                                  [CDS]

    A) It will cool the room

    B) It will heat the room

    C) It will make no difference on the average

    D) It will make the temperature go up and down

    Correct Answer: B

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