Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 25 - Electromagnetic Waves - Problems and Conceptual Exercises - Page 904: 83

Answer

Reflecting

Work Step by Step

If the beam is reflected then there will be a greater transfer of momentum. Thus, if the sailors of the future use the radiation pressure to propel their ships then the surface of their sails should be reflecting.
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