Physics: Chapter 19

11 terms by RachelD324

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sine curve

the waveform traced by simple harmonic motion, which can be made visible on a moving conveyor belt by a pendulum swinging at right angles above the moving belt

amplitude

for a wave or vibration, the maximum displacement on either side of the equilibrium (midpoint) position

wavelength

the distance between successive crests, troughs, or identical parts of a wave

frequency

for a vibrating body of medium, the number of vibrations per unit time; for a wave, the number of crests that pass a particular point per unit time

hertz

SI unit of frequency

period

the time in which a vibration is completed

wave speed

the speed at which waves pass a particular point

transverse wave

a wave in which the medium vibrated in a direction perpendicular to the direction in which the wave travels

longitudinal wave

a wave in which the medium vibrates in a direction parallel to the direction in which the wave travels

wave interference

phenomenon that occurs when two waves meet while traveling along the same medium

interference pattern

the pattern formed by the superposition of different sets of waves the produces reinforcement in some places and cancellation of others

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