Physics: Chapter 19
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Created by:
RachelD324 on April 27, 2012
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11 terms
Terms | Definitions |
|---|---|
 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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