Conceptual Physics (12th Edition)

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

Chapter 27 - Reading Check Questions (Comprehension): 25

Answer

It is mostly reflection that accounts for the whiteness of a cloud.

Work Step by Step

The large droplets of water don't scatter light as much as the small molecules of oxygen and nitrogen. They mostly refract and reflect light and treat all colors the same, resulting in a white cloud. This is discussed on page 514.
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