Answered: Screen Ay = d y Figure 27.56 The…

Screen Ay = d y Figure 27.56 The distance between adjacent fringes is Ay = x/d, assuming the slit separation d is large compared with 2.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 44P: What are the three smallest non-zero thicknesses of soapy water (n=1.33) on Plexiglas if it appears...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Using the result of the problem above, calculate the distance between fringes for 633-nm light falling on double slits separated by 0.0800 mm, located 3.00 m from a screen as in Figure 27.56.

Screen
Ay =
d
y
Figure 27.56 The distance between adjacent fringes is
Ay = x/d, assuming the slit separation d is large compared
with 2.

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