Oscar and the speakers Two speakers are playing sound with frequency 610 Hz in phase. The speakers are separated by d = 2.25 m and Oscar initially stands very close to speaker 1 as shown. You may assume the speed of sound in air is 343 m/s. 1 d 2

Oscar and the speakers Two speakers are playing sound with frequency 610 Hz in phase. The speakers are separated by d = 2.25 m and Oscar initially stands very close to speaker 1 as shown. You may assume the speed of sound in air is 343 m/s. 1 d 2

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 141CP: Two speakers producing the same frequency of sound are a distance of d apart. Consider an arc along...

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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

Oscar and the speakers
Two speakers are playing sound with frequency 610 Hz in phase. The speakers are
separated by d = 2.25 m and Oscar initially stands very close to speaker 1 as shown.
You may assume the speed of sound in air is 343 m/s.
1
d
2

Oscar begins to walk away from speaker 1 (along the path y as shown). How far (in
metres) is Oscar from speaker 1 when he hears loud sound for the last time?
1
y
d
2

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