a) Assume the speed of sound is 343 m/s in a room. What is the wavelength produced by atuning fork at 262 Hz? (this is approximately the frequency of middle C on a piano)b) Let there be two speakers, A and B, emitting sound with matched phase. If amicrophone is originally exactly between A and B (so that the distance to each is L), howfar to the left do we need to move it so that the microphone detects destructiveinterference?c) Would a person at the position in (b) hear anything? Why?d) If the microphone moves vertically on the page (let this be the y-axis) how does the totalintensity vary with vertical distance? Let each speaker emit intensity lo a distance 1meter from the source.e) How long would it take for a sound pulse to travel from A to B if L = 100 meters?%3|

“Since you have asked multiple question, we will solve the first question for you. If you want any…

Answered: a) Assume the speed of sound is 343 m/s…

a) Assume the speed of sound is 343 m/s in a room. What is the wavelength produced by a tuning fork at 262 Hz? (this is approximately the frequency of middle C on a piano)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter18: Superposition And Standing Waves

Section: Chapter Questions

Problem 12PQ: Two speakers, facing each other and separated by a distance d, each emit a pure tone of the same...

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Concept explainers

Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.

Question

a) Assume the speed of sound is 343 m/s in a room. What is the wavelength produced by a
tuning fork at 262 Hz? (this is approximately the frequency of middle C on a piano)
b) Let there be two speakers, A and B, emitting sound with matched phase. If a
microphone is originally exactly between A and B (so that the distance to each is L), how
far to the left do we need to move it so that the microphone detects destructive
interference?
c) Would a person at the position in (b) hear anything? Why?
d) If the microphone moves vertically on the page (let this be the y-axis) how does the total
intensity vary with vertical distance? Let each speaker emit intensity lo a distance 1
meter from the source.
e) How long would it take for a sound pulse to travel from A to B if L = 100 meters?
%3|

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