Conceptual Physics (12th Edition)

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

Chapter 33 - Reading Check Questions (Comprehension): 3

Answer

Becquerel discovered a new kind of radiation, distinct from x-rays.

Work Step by Step

He found that uranium emitted a penetrating radiation that could be deflected by electric and magnetic fields (and thus weren't the same as x-rays). This is discussed on page 617.
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