Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 25 - Optical Instruments - Problems - Page 741: 33

Answer

25 cm

Work Step by Step

Use equation 25-3 to find the magnification of the binoculars. $$M=-\frac{f_o}{f_e}$$ $$f_o=-(f_e)(M)=-(3.5cm)(-7)\approx 25cm$$
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