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14 Cards in this Set

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  • Back
WAVE
a disturbance that transmits energy through matter or space
MEDIUM
the matter through which a wave travels
MECHANICAL WAVE
a wave that requires a medium through which to travel
ELECTROMAGNETIC WAVE
a wave caused by a disturbance in electric and magnetic fields and that does not require a medium; also called a light wave
TRANSVERSE WAVE
a wave that causes the particles of the medium to vibrate perpendicularly to the direction the wave travels
LONGITUDINAL WAVE
a wave that causes the particles of the medium to vibrate parallel to the direction the wave travels
CREST
the highest point of a transverse wave
TROUGH
the lowest point of a transverse wave
AMPLITUDE
the greatest distance that particles in a medium move from their normal position when a wave passes
WAVELENGTH
the distance between any two successive identical parts of a wave
PERIOD
the time required for one full wavelength to pass a certain point
FREQUENCY
the number of vibrations that occur in a 1 s time interval
WAVE SPEED
the speed at which a wave passes through a medium
DOPPLER EFFECT
an observed change in the frequency of a wave when the source or observer is moving