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14 terms

OCHS waves group 1

Prentice Hall ch 17 vocab, mechanical waves
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mechanical wave
disturbance in matter that carries energy from one place to another
medium
the material through which a wave travels
crest
highest point above rest position
trough
lowest point below rest position
transverse wave
wave that causes the medium to vibrate at right angles to the direction that the wave travels
compression
area where particles are close together in a longitudinal wave
rarefaction
area where particles are spread out in a longitudinal wave
longitudinal wave
a wave in which the vibration of the medium is parallel to the direction the wave travels
surface wave
wave that travels along a surface separating 2 media
period
time required for one complete cycle of wave to pass
frequency
number of cycles in a given time; measured in Hz
wavelength
distance between a point on one wave and the same point on the next cycle of the wave
amplitude
maximum displacement of medium from rest position
Hertz
the unit of frequency, equal to one cycle per second