Conceptual Physics (12th Edition)

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

Chapter 30 - Reading Check Questions (Comprehension) - Page 577-578: 14


In an emission spectrum, discrete colored lines of light are displayed on a dark background. An absorption spectrum has gaps (black lines) on a background of a continuous spectrum of light.

Work Step by Step

This is discussed on page 569, and shown in Figure 30.9.
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