Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 14 - For Thought and Discussion - Page 262: 7

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.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.