Conceptual Physics (12th Edition)

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

Part 6 - Multiple-Choice Practice Exam: 26

Answer

Among these colors, the one that has the most energy is violet.

Work Step by Step

Violet has the shortest wavelength and the highest frequency compared to any other color of visible light. The Planck equation shows that the energy of a photon is proportional to its frequency. This is discussed on page 564.
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