Two speakers play identical tones of frequency 120 Hz. The speed of sound is 360 m/s. If 1=12.5 m and r2=17.0 m, at the point indicated, what kind of interference is there? O no interference Destructive Constructive O in between constructive and destructive

Two speakers play identical tones of frequency 120 Hz. The speed of sound is 360 m/s. If 1=12.5 m and r2=17.0 m, at the point indicated, what kind of interference is there? O no interference Destructive Constructive O in between constructive and destructive

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter37: Wave Optics

Section: Chapter Questions

Problem 37.7CQ: What is the necessary condition on the path length difference between two waves that interfere (a)...

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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

Two speakers play identical tones of frequency 120 Hz. The speed of sound is 360 m/s. If
1=12.5 m and 2=17.0 m, at the point indicated, what kind of interference is there?
O no interference
Destructive
Constructive
in between constructive and destructive

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