Answer
$\lambda = 0.152~m$
Work Step by Step
When the sound waves are reflected back to the source, the frequency is $~~2160~Hz$
We can find the wavelength:
$\lambda = \frac{v}{f}$
$\lambda = \frac{329~m/s}{2160~Hz}$
$\lambda = 0.152~m$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 17 - Waves-II - Problems - Page 509: 58d
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