Musical Instruments. Standing Waves. Waves that reflect back and forth interfere. Some points are always at rest – standing waves . Closed Ends. Both ends fixed limits the standing wave. A whole number of half-wavelengths must fit in the space. A whole number of nodes and antinodes .
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The object oscillates with a fundamental frequency (pitch) and harmonics.
These patterns are the basis for wind instruments.Single End
What is the fundamental frequency?
The first harmonic is
The speed of sound is 343 m/s.
f = (343 m/s) / 4 (0.328 m)
f = 261 HzClarinet