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Uttarakhand PMT Uttarakhand PMT Solved Paper-2005

  • question_answer
    When a copper sphere is heated then the percentage increase is maximum in :

    A)  diameter         

    B)  volume

    C)  length           

    D)  area

    Correct Answer: B

    Solution :

     The coefficient of volume expansion \[{{\alpha }_{V}}=3{{\alpha }_{l}}\] (Where\[{{\alpha }_{l}}\]is the coefficient of linr expansion) Hence, when copper is heated then the percentage increase is maximum in volume.


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