3 Oscillations & Waves

Acoustic coupling - Video

demonstration image
Catalog: 
3B25.35
Location: 
3_1
Video Encyclopedia :Sound a 2-inch loudspeaker alone and with an exponential horn.

Modes of string oscillation(guitar) - Video

demonstration image
Catalog: 
3D20.21
Location: 
3_1
Video Encyclopedia :Show the output of an electric guitar on an oscilloscope.

Tacoma Narrows - Video

demonstration image
Catalog: 
3A60.10
Location: 
3_1
Spectacular destruction of a bridge driven at it's natural frequency by the wind.

Resonance Reeds

2nd reed
Catalog: 
3A60.50C
Location: 
Ba3
A set of steel reeds mounted on a common strip which is excited by a variable speed motor with an unbalanced flywheel.

Sweet spot(center of percussion) - Video

demonstration image
Catalog: 
3A15.50C
Location: 
3_1
Video Encyclopedia :Hang a long metal bar by a string from one end. Strike the bar with a mallet at various points.

Kater's pendulum

Catalog: 
3A15.70
Location: 
Ba1
Kater's pendulum(perforated bar & weights)

Pulse on a rope - Video

demonstration image
Catalog: 
3B10.10
Location: 
3_1
Video Encyclopedia :A long rope is attached to a wall.

Resonance tubes(3 lengths) - Video

demonstration image
Catalog: 
3D30.10
Location: 
3_1
Video Encyclopedia :Blow air out of a flat nozzle across a set of three different length tubes.

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