Answer
23 cm
Work Step by Step
Use the lensmaker’s equation.
$$\frac{1}{f}=(n-1)(\frac{1}{R_1}+\frac{1}{R_2})$$
$$\frac{1}{f}=(n-1)(\frac{2}{R})$$
$$R=2(n-1)f=2(1.52-1)(22.0cm)=23cm$$
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 23 - Light: Geometric Optics - Problems - Page 676: 66
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