Conceptual Physics (12th Edition)

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

Chapter 28 - Think and Rank: 46

Answer

How much the light ray bends toward the normal, most to least: C, B, A.

Work Step by Step

According to Snell's Law (page 526), the amount of bending is greatest when the speed change is the greatest. Light travels at essentially 1.0c in air. The speed change is the greatest for crown glass (C) and the least for water (A).
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