Wind Instrument Frequencies (11:40)
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The equations for the harmonic frequencies of open and closed pipe wind instruments are derived. An animation of a longitudinal standing wave pattern in a closed pipe is shown. Displacement and pressure nodes and antinodes are shown.
This is an AP Physics 1 Topic. Content Times: 0:10 Harmonic frequencies of stringed instruments 0:52 Open pipe and closed pipe wind instruments 1:46 Open pipe standing wave patterns 2:47 Open pipe natural frequencies 3:50 Closed pipe - first harmonic 4:49 Closed pipe - second harmonic 5:43 Closed pipe - third harmonic 6:42 Closed pipe natural frequencies 7:21 Displacement and pressure nodes and antinodes 9:07 Closed pipe standing wave pattern animation 10:24 The adjusted length of wind instruments |
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