Physics: Principles with Applications (7th Edition)

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

Chapter 12 - Sound - Questions - Page 352: 12


Points D and C would move farther apart.

Work Step by Step

If the frequency of the speakers were to be lowered, the wavelength would be increased, because $\lambda = \frac{v}{f}$. The circles in the diagram would become larger, moving points C and D farther apart.
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