Answer
$M=-19$
Work Step by Step
Use equation 25-3 to find the magnification of the telescope.
$$M=-\frac{f_o}{f_e}=-(f_o)(P_e)$$
$$=-(0.75m)(25D)\approx -19$$
Physics: Principles with Applications (7th Edition)
by Giancoli, Douglas C.
Published by
Pearson
ISBN 10:
0-32162-592-7
ISBN 13:
978-0-32162-592-2
Chapter 25 - Optical Instruments - Problems - Page 741: 34
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