Conceptual Physics (12th Edition)

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

Chapter 33 - Think and Explain: 46

Answer

Alpha and beta rays have opposite charges. Gamma rays are electromagnetic waves, have no electric charge, and are unaffected by a magnetic field.

Work Step by Step

Alpha and beta radiation consist of helium nuclei and electrons, respectively, so alphas are positively charged, and betas are negatively charged. Positive and negative charges moving together are subsequently deflected in opposite directions when they encounter a magnetic field.
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