Which wave has the greatest distance from trough to trough?
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A transverse wave is a motion in which all points on a wave oscillate along paths at right angles. Hence, option C is correct.
The wavelength is the horizontal distance between two adjacent crests or troughs.
The longest distance a particle goes from rest is to the peak of a crest or the bottom of a trough in a transverse wave. The amplitude of a transverse wave is this distance.
Hence, option C is correct.
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