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the number of waves that pass a certain point in a given amount of time; measured in Hertz (Hz) - 1 Hz is one wave per second
the distance between two corresponding parts of a wave (such as the distance from crest to crest or trough to trough)
the maximum distance that the particles of the medium carrying the wave move away from their rest positions. The greater the amplitude, the greater the energy in a wave.
a wave that moves the medium at right angles to the direction in which the wave is traveling
a wave that moves the medium parallel to the direction in which the wave is traveling
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