Conceptual Physics (12th Edition)

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

Chapter 19 - Think and Explain: 67

Answer

When a medium is vibrated at one point (e.g., shaking the end of a rope, dipping a finger in and out of a pool of water), that is the source of mechanical waves in the medium. When an electric charge shakes back and forth, it generates electromagnetic waves.
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.