Conceptual Physics (12th Edition)

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

Part 8 - Multiple-Choice Practice Exam: 17

Answer

General relativity predicts that light leaving the sun is slowed by gravity, and that light passing the sun is deflected. Both choices A and B are correct.

Work Step by Step

Choices A and B are discussed on pages 692 and 690. It is NOT true that a clock on the sun's surface runs faster than it would on Earth; in fact, just the opposite is true. It runs more slowly because gravity is stronger on the sun's surface than at earth's surface. This is discussed on pages 692-693. The book says that choice D, "all of these", is the correct answer, but C is not true so the question is constructed incorrectly. There is no best answer among the choices.
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