Conceptual Physics (12th Edition)

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

Chapter 32 - Reading Check Questions (Comprehension): 5

Answer

The cathode ray is deflected by a magnetic field, which means the ray contains electric charges.

Work Step by Step

Moving charged particles are deflected by a magnetic field. This is discussed on page 605.
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