Con Physics Ch. 20 Sound
Terms in this set (12)
The highness or lowness of a tone; related to wave frequency.
Describes a sound that has a frequency too low to be heard by the normal human ear.
Describes a sound that has a frequency too high to be heard by the normal ear.
A condensed region of the medium through which a longitudinal wave travels.
A rarefied (of reduced pressure) region of the medium through which a longitudinal wave travels.
The persistence of sound, as in an echo, sue to multiple reflections.
The bending of sound or any wave caused by a difference in wave speeds.
The setting up of vibrations in an object by a vibrating force.
The frequency at which an elastic object tends to vibrate when it is disturbed and the disturbing force is removed.
The response of a body when a forcing frequency matches its natural frequency.
A result of superposing different waves, often of the same wavelength. Constructive interference results from crest-to-crest reinforcement; destructive interference results from crest-to-trough cancellation.
A series of alternate reinforcements and cancellation produced by the interference of two waves of slightly different frequencies, heard as a throbbing effect in sound waves.
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