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Chapter 16 Notes

# Chapter 16 Notes - A wave is a traveling disturbance and...

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A wave is a traveling disturbance and carries energy from place to place. In a transverse wave, the disturbance is perpendicular to the direction of travel of the wave. In a longitudinal wave, the disturbance is parallel to the line along which the wave travels. In a periodic wave, the pattern of the disturbance is produced over and over again by the source of the wave. The amplitude of the wave is the maximum excursion of a particle of the medium from the particle's undisturbed position. The wavelength λ is the distance along the length of the wave between two successive equivalent points, such as two crests or two troughs. The period T is the time required for the wave to travel a distance of one wavelength. The frequency f (in hertz) is the number of wave cycles per second that pass an observer and is the reciprocal of the period (in seconds): f = 1/ T . The speed v of a wave is related to the wavelength and the frequency according to v = f λ .

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Chapter 16 Notes - A wave is a traveling disturbance and...

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