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AIIMS AIIMS Solved Paper-2014

  • 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: C

    Solution :

                    Maximum percentage error in p \[\rho =\text{4}%+\text{2}\times \text{2}%=\text{8}%\]                                


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