Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 35 - Interference - Problems - Page 1074: 3b

Answer

The interference is intermediate but closer to fully constructive.

Work Step by Step

If the waves are out of phase by $5.65~rad$, the interference is closer to fully constructive ($2\pi~rad$) than to fully destructive $(\pi~rad)$ The interference is intermediate but closer to fully constructive.
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