JEE Main & Advanced Physics Mathematical Tools, Units & Dimensions Question Bank Mock Test - Units Dimenstions and Measurment

  • question_answer
    The best method to reduce random error is

    A) To change the instrument used for measurement

    B) To take help of experienced observer

    C) To repeat the experiment many times and to take the average results

    D) None of the above

    Correct Answer: C

    Solution :

    [c] Random error is reduced by making a large number of observations and taking mean of all the results.


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