/CSW2/ – Standing Waves

2D Standing Waves

1. 2D standing wave patterns

2. Standing wave of invisibility !


3D Standing Waves

1. Standing Wave in a Soap Film

Half wavelength

A complete standing wave

2. Dripping water turned into standing waves


“Passing a tube of water across the front of a loudspeaker yields a standing wave when tuned to a 24 hz sound wave. Then when switched to 23 hz, it appears that the water droplets are actually traveling backwards through the tube they just came out of. A camera recording at a standard 24 fps is playing tricks with the eye when the frequency of the sine wave is very similar.”

3.  Special Standing Wave pattern (in Mandarin)

4.  3D Standing Wave Patterns in Liquid


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