3 Oscillations & Waves

Beats with speaker & oscilloscope - Video

demonstration image
Catalog: 
3B60.20A
Location: 
3_1
Video Encyclopedia :Two function generators are used to make beats that are displayed on a scope and amplified to a speaker.

Phase shift - Video

demonstration image
Catalog: 
3A40.65
Location: 
3_1
Video Encyclopedia :Shadow project two balls mounted on the edge of a disc. Vary the angle between the balls to vary the phase shift.

Hanging slinky - Video

demonstration image
Catalog: 
3B20.10C
Location: 
3_1
Video Encyclopedia :Show longitudinal waves on a bifilar suspended slinky with paper flags every fifth coil.

Doppler effect - Video

demonstration image
Catalog: 
3B40.10B
Location: 
3_1
Video Encyclopedia :Mount two speakers on a rotating frame and attach to an audio oscillator through slip rings.

Ripple tank - double slit - Video

demonstration image
Catalog: 
3B50.25
Location: 
3_1
Video Encyclopedia :Ripple tank double slit interference with varying wavelength and slit separation.

Slide whistle - Video

demonstration image
Catalog: 
3D32.30B
Location: 
3_1
Video Encyclopedia :The variable length organ pipe.

Speaker and Baffle

A small speaker is much louder when placed behind this baffle.
Catalog: 
3B55.30
Location: 
Bc2
Music is played through a small, cheap speaker. The speaker is first held in the hand and then placed behind a small hole in a baffle, with dramatic improvement in sound quality.

Pendulum Waves - Video

demonstration image
Catalog: 
3B10.75B
Location: 
3_1
Video Encyclopedia :The apparatus from AJP 59(2), 186.

Resonant driven pendula - Video

demonstration image
Catalog: 
3A60.31
Location: 
3_1
Video Encyclopedia :A massive pendulum drives three different length bifilar pendula.

Longitudinal wave model - Video

demonstration image
Catalog: 
3B20.30B
Location: 
3_1
Video Encyclopedia :The PASCO device.

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