Answer
$2.33cm$
Work Step by Step
We can calculate the focal length as follows:
$f=\frac{1}{refractive \space power }$
We plug in the known values to obtain:
$f=\frac{1}{+43.0 diopters}=2.33cm$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 27 - Optical Instruments - Problems and Conceptual Exercises - Page 970: 20
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