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4 terms

Sound and Light CH 16

Vocabulary Terms for CH16
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sound wave
a longitudinal wave that is caused by vibrations and that travels through a material medium
pitch
the property of sound that varies with variation in the frequency of vibration
infrasound
any sound with a frequency below the audible range of hearing (less than 20 Hz)
ultrasound
using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram)