nodal lines further apart longer wavelength (see also A20288 shorter wavelength)
Two dippers which move together make 2 sets of circular waves in a ripple tank. Where a crest and a trough arrive at the same place at the same time they cancel producing flat water and a pattern of nodal 2 crests or 2 troughs arrive together at the same place, they produce a larger crest or a larger trough.
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Photo credit: © sciencephotos / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: experiment, interference, laboratory, nodal, physics, ripple, school, science, tank, wavelength, waves
