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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 42

  • question_answer
    If a piece of metal is heated to temperature 9 and then allowed to cool in a room which is at temperature \[{{\theta }_{0}},\] the graph between the temperature T of the metal and time t will be closest to

    A)

    B)

    C)

    D)

    Correct Answer: C

    Solution :

    According to Newton's law of cooling, the temperature goes on decreasing with time non-linearly.


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