Answer
Magnification = $-25X$ and length is $52cm$.
Work Step by Step
$fo=50cm$
$fe=2cm$
Thus, magnification = $m=-\frac{fo}{fe}=-\frac{50}{2}=-25X$
Length of telescope = $L=fo+fe=52cm$
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 25 - Vision and Optical Instruments - Learning Path Questions and Exercises - Exercises - Page 873: 38
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