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one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that includes radio waves

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a sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium

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is the speed at which a wave travels

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in physics the number of crests of a wave that move past a given point in a given unit of time

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is an important parameter of waves and is the maximum displacement of points on a wave

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one wavelength equals the distance between two successive wave crests or troughs

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waves are characterized by wavelength frequency and the speed at which they move