Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 24 - The Wave Nature of Light - Questions - Page 706: 18

Answer

a. Having many slits in a diffraction grating makes the bright fringes narrower and brighter. b. Having more closely spaced slits in a diffraction grating spreads out the maxima over a larger angular range.

Work Step by Step

a. Contrast Figures 24-25a and 24-25b. b. See Equation 24-4, making d smaller. This makes them easier to resolve.
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