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Uttarakhand PMT Uttarakhand PMT Solved Paper-2011

  • question_answer
    The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate by using the formula \[p=\frac{F}{{{l}^{2}}}.\] If the maximum errors in the measurement of force and length are 4% and 2% respectively. Then the maximum error in the measurement of pressure is

    A)  1%            

    B)  2%

    C)  8%             

    D)  10%

    Correct Answer: A

    Solution :

     Maximum percentage error in p \[p=4%+2\times 2%\] \[=8%\]


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