College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 24 - Multiple-Choice Questions - Page 935: 6

Answer

option (b).

Work Step by Step

Let fo = focal length of objective, fe = focal length of eyepiece. Then, fo/fe = 10, and fo + fe = 33 cm In the given options, 30 cm and 3 cm satisfy these conditions. Hence, option (b).
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