Two loudspeakers are vibrating in phase. They are set up as in the figure, and point C is located as shown there. The speed of sound is 320 m/s. The speakers play the same tone. What is the smallest frequency that will produce destructive interference at point C?

Two loudspeakers are vibrating in phase. They are set up as in the figure, and point C is located as shown there. The speed of sound is 320 m/s. The speakers play the same tone. What is the smallest frequency that will produce destructive interference at point C?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 34PE: (a) What fraction of Earth's diameter is the greatest ocean depth? (b) The greatest mountain height?

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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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