Physics: Principles with Applications (7th Edition)

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

Chapter 23 - Light: Geometric Optics - Problems - Page 675: 42


a. Converging b. 6.06 diopters

Work Step by Step

a. The lens forms a real image from parallel rays. Only a converging lens can do that. As a check, we will see if the power is a positive number. b. Combine equations 23–7 and 23–8. The object distance is infinite. $$\frac{1}{d_o}+\frac{1}{d_i}=\frac{1}{f}=P$$ $$P=\frac{1}{\infty}+\frac{1}{0.165m}$$ The power P is 6.06 diopters.
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