question_answer 41)

                  The mean length of an object is 5 cm.  Which of the following measurements is most accurate?                 (a) 4.9 cm                            (b) 4.805 cm                 (c) 5.25 cm                          (d) 5.4 cm                

Answer:

                  (a) Measurement is most accurate if its value is nearest to the true value of the physical quantity.