Conceptual Physics (12th Edition)

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

Chapter 31 - Think and Discuss: 71

Answer

It becomes shorter.

Work Step by Step

Momentum is p = mv. As the proton's velocity increases, its momentum also increases. The de Broglie wavelength is h/p, so as momentum p increases, the proton's wavelength becomes shorter.
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