3 Oscillations & Waves

Tuning forks on resonance boxes - Video

demonstration image
Catalog: 
3C55.55
Location: 
3_1
Video Encyclopedia :Two tuning forks, two boxes. show the box needs to be matched to the fork.

Drumhead - Video

demonstration image
Catalog: 
3D40.40A
Location: 
3_1
Video Encyclopedia :A speaker drives a drumhead.

Physical Pendula Periods

demonstration image
Catalog: 
3A15.20A
Location: 
meter stick rack
Three physical pendula in lengths of 1, 2 and 4 compare period. Meter sticks .5m, 1m and 2m are used.

Torsion pendulum - Video

demonstration image
Catalog: 
3A10.30B
Location: 
3_1
Video Encyclopedia :Add weight to a torsion pendulum to decrease the period.

Wilberforce pendulum

The motion sensor and the laser switch are mounted at the bottom.
Catalog: 
3A70.10B
Location: 
Ba3
Energy transfers between vertical and torsional modes.

Lissajous figures on scope - Video

demonstration image
Catalog: 
3A80.20
Location: 
3_1
Video Encyclopedia :Use two independent generators to show Lissajous figures on a scope.

Impedance matching(Shive) - Video

demonstration image
Catalog: 
3B25.10A
Location: 
3_1
Video Encyclopedia :Shive wave machines with long and short rods are coupled abruptly or with a tapered section.

Vocal formants - Video

demonstration image
Catalog: 
3C55.80
Location: 
3_1
Video Encyclopedia :Use a computer based real time spectrum analyzer to display vocal formants.

Glass breaking with sound - Video

demonstration image
Catalog: 
3D40.55B
Location: 
3_1
Video Encyclopedia :Large amplitude sound at the resonant frequency is directed at a beaker.

Circular motion vs. mass on a spring

Hold the mass at either the bottom or top of the disk and then release the mass
Catalog: 
3A40.10A
Location: 
4-top
The UCM of a rotating disk is compared to the SHM of an oscillating spring. The comparison is shadow projected.

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