Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 21 - Think and Explain: 41

Answer

The frequency of the sound wave is the same as the frequency of the oscillating string.

Work Step by Step

The vibrating string is driving the vibrations in the soundboard and in the air, and they all shake at the same frequency. The frequency of a vibrating source is the same as the frequency of the resulting wave. This is stated on page 377.
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