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enderle ch. 26 voc.

Enderle ch. 26 vocab

QuestionAnswer
Term that refers to how high or low sounds frequencies can be Pitch
term applied to sound pitch too low to be heard by the human ear, that is, below 20Hz Infrasonic
Term applied to sound frequencies above 20,000Hz the normal upper limit of human hearing Ultrasonic
in sound, a pulse of compressed air, opposite of rarefaction Compression
a disturbance in air in which the pressure is lowered, opposite of compression Rarefaction
a frequency at which an elastic object,once energized, will vibrate. minimum energy is required to continue vibration at that frequency Natural Frequency
the vibration of an object thats meant to vibrate by another object that is nearby Forced Vibration
a phenomenon that occurs when the frequency of forced vibrations on an object, matches the object's natural frequency and a dramatic increase in amplitude results Resonance
a periodic vibration in the loudest of sound caused by interference when two tones of slightly different frequencies, are sounded together Beats
Created by: tenderle14
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