Conceptual Physics (12th Edition)

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

Chapter 28 - Think and Explain: 52

Answer

Card number 2.

Work Step by Step

See the diagram. The angle of incidence (labeled "a") equals the angle of reflection (labeled "b"). Only the light ray from card 2 enters the eye.
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