Answer
Please see the work below.
Work Step by Step
We know that
$c=f\lambda$
This can be rearranged as
$\lambda=\frac{c}{f}$
We plug in the known values to obtain:
$\lambda=\frac{3\times 10^8}{89.5\times 10^6}=3.35m$
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 14 - Exercises and Problems - Page 262: 16
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