Conceptual Physics (12th Edition)

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

Chapter 26 - Think and Explain: 62

Answer

It slows it down.

Work Step by Step

This is similar to the situation where a popular movie star is trying to cross a room at a cocktail party , but continually stops to talk to people. More frequent interactions tend to slow down the short-wavelength light, resulting in a smaller average speed.
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