Answered: How are interference fringes of light…

How are interference fringes of light analogous to the varying intensity that you hear as you walk past a pair of speakers emitting the same sound?

Stars and Galaxies

9th Edition

ISBN:9781305120785

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter7: Atoms And Spectra

Section: Chapter Questions

Problem 3DQ

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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.

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How are interference fringes of light analogous to the varying intensity that you hear as you walk past a pair of speakers emitting the same sound?

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Sound with a frequency 650 Hz from a distant source passes through a doorway 1.10 m wide in a sound-absorbing wall. Find (a) the number and (b) the angular directions of the diffraction minima at listening positions along a line parallel to the wall.
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