How Long is an Organ Pipe That Resonates at 128Hz?

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SUMMARY

An organ pipe open at both ends resonates at its first resonant length with a frequency of 128 Hz. Given the speed of sound at 346 m/s, the wavelength can be calculated using the universal wave equation. The length of the pipe corresponds to half the wavelength, as an open pipe contains two wavelengths for its fundamental frequency. Therefore, the length of the pipe is 1.35 meters.

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Homework Statement


an organ pipe, open at both ends, esonantes ats its 1st resonant lenth with a frequency of 128hz. what is thelength of the pipe if the speed of sound is 346m/s


Homework Equations


the open colum patterns


The Attempt at a Solution


i just can't get it
 
Physics news on Phys.org
From the univeral wave equation, what is the wavelength at the given frequency and wave speed?

From the open column patterns, how many wavelengths does the length of an open pipe contain? (Hint, the answer is not 1)
 

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