Conceptual Physics (12th Edition)

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

Chapter 20 - Reading Check Questions (Comprehension): 7

Answer

A compression is a pulse/region of higher-pressure compressed air. A rarefaction is the opposite, a zone of lower-pressure rarefied air.

Work Step by Step

This is discussed on page 377.
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