Conceptual Physics (12th Edition)

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

Chapter 20 - Reading Check Questions (Comprehension): 25


One wave can cancel another if they are identical, and $180^{\circ}$, or $\pi$ radians, out of phase with each other.

Work Step by Step

This is discussed on page 384, and shown in Figures 20.17c and 20.17d.
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