College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 23 - Mirrors and Lenses - Learning Path Questions and Exercises - Multiple Choice Questions - Page 804: 16

Answer

(b) decrease

Work Step by Step

As the focal length increases according to formula $P=\frac{1}{f}$, power of lens decreases.
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