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 - Misconceptual Questions: 7


Choice D.

Work Step by Step

Equation 24-3b, $sin \theta = \frac{m \lambda}{d}$, predicts the location of the minima for nonzero integer values of m. If we double the wavelength in a single-slit diffraction experiment but for a given m want to keep the angle $\theta$ the same (the angle at which that minimum is seen), doubling the spacing d will accomplish that.
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