Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 33 - Wave Optics - Conceptual Questions - Page 954: 7

Answer

The fringes on the screen would get closer together.

Work Step by Step

We can write a general equation for the fringe spacing $y$: $y = \frac{\lambda~L}{d}$ Submerging the entire experiment in water has the effect of decreasing the wavelength $\lambda$, which would cause the fringe spacing to decrease. The fringes on the screen would get closer together.
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