Conceptual Physics (12th Edition)

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

Chapter 28 - Think and Explain: 84


The spacings between leaves are acting like pinholes.

Work Step by Step

The circular spots on the ground are images of the sun, created by the "pinholes" in the spaces between the leaves. The photo at the beginning of Chapter 26 (page 486) shows that during a partial solar eclipse, the spots formed are crescent-shaped. This proves that they are indeed solar images.
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