Elementary Propagation of a Wave
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A simple comparison of two examples of wave propagation using a sine curve. A traveling wave (red) moves from left to right with increasing , while a standing wave (blue) oscillates between fixed nodes. Both propagations occur with the same wave speed. The starting position is indicated by the green waveform.
Contributed by: Anthony Horne (March 2011)
Open content licensed under CC BY-NC-SA