Propagating Waves

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A sinusoidal incident wave, shown in black, impinges on a barrier at . This results in a reflected wave (red) and a transmitted wave (blue), with relative amplitudes determined by a reflection coefficient
. You can also control the angular frequency
and the wavelength
with sliders. The propagation velocity of the wave is given by
.
Contributed by: Andrea Passaglia (March 2011)
Open content licensed under CC BY-NC-SA
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"Propagating Waves"
http://demonstrations.wolfram.com/PropagatingWaves/
Wolfram Demonstrations Project
Published: March 7 2011