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NEET Physics Mathematical Tools, Units & Dimensions Question Bank Errors of Measurement

  • question_answer
    If \[L=2.331\,cm,\ B=2.1\,cm\], then \[L+B=\]  [DCE 2003]

    A)          4.431 cm                      

    B)          4.43 cm

    C)            4.4 cm                                      

    D)            4 cm

    Correct Answer: C

    Solution :

                    Given, \[L=2.331\ cm\]               \[=2.33\] (correct upto two decimal places)               and \[B=2.1\ cm\]\[=2.10\ cm\]               \[\therefore \ L+B=2.33+2.10=4.43\ cm\].\[=4.4\,cm\]            Since minimum significant figure is 2.


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