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Twirling Sound Hose

3 Twirling Sound Hoses

Concept Overview:

1. Standing Sound Waves

2. Harmonics (n=1 vs. n=2)

Lecturer Procedure

Step(s) to FollowExpected Result
Whirl tube above headA loud, pure tone is produced
Whirl tube faster above headPure tone increases by 1 octave*

*It is possible to produce 3-4 tones with the same tube if you can whirl it fast enough*

Additional Photo:

2 Whirling tubes of sound

Transcript

There are no spoken words with this recording.

Identifier
M: WM&S - 033