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

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 = $L=fo+fe=52cm$

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