Conceptual Physics (12th Edition)

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

Chapter 20 - Think and Explain: 74

Answer

Low-frequency notes in music are more distinctly heard through walls. The natural frequency of large surfaces such as walls, floors, and ceilings is relatively low (for the same reason that a long stretched string/wire has a lower natural frequency than a short string). Low-frequency notes are closer to resonance with these large surfaces, and can set them into motion more easily.
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