Conceptual Physics (12th Edition)

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

Chapter 16 - Think and Explain: 77

Answer

The ground under the benches will radiate, but it "sees" the relatively warm park bench instead of the cold of the open skies, and receives some of the bench's radiation in return. This decreases the net radiation from the ground under the bench, resulting in slightly warmer ground.

Work Step by Step

This is discussed on page 311.
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