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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-29

  • question_answer
    If the experiment of Newton's law of cooling, the graph drawn between logarithm of excess of temperature with the surroundings and the time is obtained as:

    A) a straight line passing through origin of positive gradient.

    B) a straight line of positive gradient, not passing through origin.

    C) a straight line of negative gradient, not passing through origin.

    D) none of the above

    Correct Answer: C

    Solution :

    Required relation is In(T-T) = -kT+C


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