WT-1 You are designing an air-filled tube that is closed at one end and open at the other to have a sound wave with a fundamental frequency of 512Hz in air at sea level. a) Sketch a figure like the one shown to the right and draw below the tube the fundamental mode of vibration and the next three harmonics. Beside each pattern, write the tube-length-to-wavelength relationship. b) Find the length needed for this tube. c) Find the frequency needed for each standing wave pattern you sketched. open closed Use vour results from aboue to find the frequencies: do not useeauatione from memow
WT-1 You are designing an air-filled tube that is closed at one end and open at the other to have a sound wave with a fundamental frequency of 512Hz in air at sea level. a) Sketch a figure like the one shown to the right and draw below the tube the fundamental mode of vibration and the next three harmonics. Beside each pattern, write the tube-length-to-wavelength relationship. b) Find the length needed for this tube. c) Find the frequency needed for each standing wave pattern you sketched. open closed Use vour results from aboue to find the frequencies: do not useeauatione from memow
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