College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 25 - Multiple-Choice Questions - Page 974: 1

Answer

(a)

Work Step by Step

Wavefront B does not in any way interfere with $S2$, which reduces its ability to have a intensity point of $0$. This can be applied to all of them save Wavefront A which has a intensity point of $0$.
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