3 Oscillations & Waves

Tension dependence of wave speed - Video

demonstration image
Catalog: 
3B10.15
Location: 
3_1
Video Encyclopedia :Hold a rubber tube under different tensions and send a pulse along it.

Siren in vacuum - Video

demonstration image
Catalog: 
3B30.30B
Location: 
3_1
Video Encyclopedia :Place an electronic siren with a LED in series in a bell jar. (problems?)

Open/closed tube 256/512 - Video

demonstration image
Catalog: 
3D30.20B
Location: 
3_1
Video Encyclopedia :A tube is cut to length to resonate at 256 Hz when closed and 512 Hz when open.

Adding waves model

The black beads of crests are on the crests of the wave form. This is constructi
Catalog: 
3B27.20A
Location: 
Bb4
Bead model. -1(model), -2(equal amplitude, equal frequency template), -3(half amplitude, double frequency template)

Circular motion vs. pendulum - Video

demonstration image
Catalog: 
3A40.20B
Location: 
3_1
Video Encyclopedia :Front view of a marker on a disc and a pendulum.

Air track simple harmonic motion - Video

demonstration image
Catalog: 
3A20.35
Location: 
3_1
Video Encyclopedia :Place an air track glider between two springs. A video overlay shows the sinusoidal path.

Wave speed - Video

demonstration image
Catalog: 
3B10.16A
Location: 
3_1
Video Encyclopedia :Show the difference in wave speed and pulse shape on Shive machines with long and short rods.

Sound in helium - Video

demonstration image
Catalog: 
3B30.50
Location: 
3_1
Video Encyclopedia :Blow an organ pipe with air and helium, then talk with helium.

Helmholtz resonators - Video

demonstration image
Catalog: 
3D30.40
Location: 
3_1
Video Encyclopedia :Two resonators are matched to two tuning forks.

Doppler balls

Spin the balls around your head and they make a whistling sound.
Catalog: 
3B40.102
Location: 
Bc1
Yellow and red balls

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