Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 31 - Nuclear Energy; Effects and Uses of Radiation - Questions: 9


The water would slow the ejected neutrons.

Work Step by Step

For an explosive chain reaction to occur, the emitted neutrons from fission events must be slowed down, allowing them to be captured by other uranium nuclei. The water filling the pores slows down electrons more than air does. Water acts as an effective neutron moderator, increasing the chances that the chain reaction will continue.
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