Conceptual Physics (12th Edition)

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

Chapter 26 - Think and Explain: 48

Answer

Frequency and wavelength.

Work Step by Step

The principal difference between a gamma ray and an infrared ray is frequency (or equivalently, wavelength). A gamma ray has a higher frequency and a shorter wavelength than an infrared ray. This is discussed on page 489.
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