College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Exercises - Page 30: 42


1 mm.

Work Step by Step

The student has measured as 0.8755m or 875.5 mm. This value has 4 significant figures in which the first 3 figures are directly from the reading on the meter-stick. The last figure has an error in its value. So the reading must have been at the middle of 2 smallest division on the scale i.e. between 875 and 876 mm. So the smallest division of the scale is 1 mm.
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