21. In any picture of the pressure of an acoustic standing wave in an open-closed tube, which side is the open side can be determined by the a. pressure node b. pressure anti-node c. beat wave existing in-between nodes d. which side is open cannot usually be determined Question 22 22. In the picture shown here of pressure in an open-closed tube, what harmonic is shown? a. 3 b. 4 c. 5 d. 7 e. between 3 and 4
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Step 1: Determine the wavelength from the figure, which is given as 4/7 of the length of the tube. Show more…
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