Essential University Physics: Volume 1 (4th Edition) Clone

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 14 - For Thought and Discussion - Page 270: 6

Answer

No

Work Step by Step

Intensity has to do with how much energy a wave carries per unit area. (Note, only the area perpendicular to the wave counts.) However, the fact that the intensity decreases does not mean that energy is being lost: rather, the spherical wave is simply spreading out.
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