Consider standing waves in a pipe of length L = 3.5 m containing a column of air. The speed of sound in the columns is vs = 334 m/s. Each of the standing wave images provided may represent a case for which one or both ends are open.Select the image from the options provided showing the displacement of air particles for the third harmonic of a pipe with two open ends.  Calculate the wavelength λ3 in m for the third harmonic in the pipe with two open ends. Calculate the frequency f1 in Hz for the fundamental harmonic in the pipe with two open ends.

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Asked Mar 7, 2020
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Consider standing waves in a pipe of length L = 3.5 m containing a column of air. The speed of sound in the columns is vs = 334 m/s. Each of the standing wave images provided may represent a case for which one or both ends are open.

Select the image from the options provided showing the displacement of air particles for the third harmonic of a pipe with two open ends. 

 Calculate the wavelength λ3 in m for the third harmonic in the pipe with two open ends. 

Calculate the frequency f1 in Hz for the fundamental harmonic in the pipe with two open ends. 

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