3 Oscillations & Waves

High frequency metal bars - Video

demonstration image
Catalog: 
3D40.12
Location: 
3_1
Video Encyclopedia :Hold a metal rod at the midpoint and strike at the end. Two rods an octave apart are shown.

Beaker Breaker

The natural resonance frequency of the goblet can be easily detected by striking
Catalog: 
3D40.55A
Location: 
A glass object (wine goblet, beaker, etc) is broken with sound.

Ruben's Tube

demonstration image
Catalog: 
3D30.50
Location: 
between 17 & 18
"NOTE--THIS DEMO IS CURRENTLY UNAVAILABLE" A gas filled tube with holes along its top and a speaker at one end. Flames from the top indicate where the nodes and antinodes are of a standing wave.

Resonance reeds(tachometer) - Video

demonstration image
Catalog: 
3A60.50B
Location: 
3_1
Video Encyclopedia :A set of reeds is attached to a small unbalanced gyro.

Shive standing wave machine - Video

demonstration image
Catalog: 
3B22.30B
Location: 
3_1
Video Encyclopedia :Drive the Shive wave machine by hand to produce standing waves.

Siren disc - Video

demonstration image
Catalog: 
3C20.30
Location: 
3_1
Video Encyclopedia :A disc with concentric rings of equally spaced holes is spun by a motor and a jet of air is blown at each ring of holes.

Singing rods - Video

demonstration image
Catalog: 
3D40.20B
Location: 
3_1
Video Encyclopedia :Hold a long aluminum rod at the midpoint and stroke with rosined fingers.

4:1 pendula

The red pendula have equal masses but the length of the string is 4:1. The perio
Catalog: 
3A10.14A
Location: 
Ba1
4:1 pendula have 2:1 period. Lengths are 30cm and 120cm.

4:1 pendula - Video

demonstration image
Catalog: 
3A10.14B
Location: 
3_1
Video Encyclopedia :4:1 pendula have 2:1 period.

Ripple tank - single slit - Video

demonstration image
Catalog: 
3B50.10
Location: 
3_1
Video Encyclopedia :Ripple tank single slit diffraction with varying slit and wavelength.

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