Difference between revisions of "Capillary Wave"

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Capillary wave is a tiny wavlet a few centimeters in wavelength, a few millimeters in height, and with a period of less than half a second. Capillary waves are the most common type of water waves, and apparent when water is calm and flat. These tiny waves would raise when gentle wind breezes through water surface, and decay as soon as the wind dies out.
 
Capillary wave is a tiny wavlet a few centimeters in wavelength, a few millimeters in height, and with a period of less than half a second. Capillary waves are the most common type of water waves, and apparent when water is calm and flat. These tiny waves would raise when gentle wind breezes through water surface, and decay as soon as the wind dies out.
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Because they are tiny and superficial on the water surface, their restoring force is surface tension rather than gravity. The restoring force for larger waves, inculding ripples and tides, is gravity.

Revision as of 01:50, 20 September 2009

Capillary wave is a tiny wavlet a few centimeters in wavelength, a few millimeters in height, and with a period of less than half a second. Capillary waves are the most common type of water waves, and apparent when water is calm and flat. These tiny waves would raise when gentle wind breezes through water surface, and decay as soon as the wind dies out. Because they are tiny and superficial on the water surface, their restoring force is surface tension rather than gravity. The restoring force for larger waves, inculding ripples and tides, is gravity.