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Chapter 5 Terms
Terms in this set (25)
The extent of displacement from the equilibrium position.
Rhythmic increases and decreases of volume from constructive and destructive interference.
a complete vibration
Scale of the intensity of sound from the threshold of human hearing.
Apparent shift in the frequency of sound due to the relative motion between the source and observer.
A reflected sound that can be distinguished from the original sound.
The number of cycles of a wave or vibration occurring in one second.
The lowest frequency that can set up standing waves in an air column or on a string.
Unit of frequency
Sound waves with frequencies below 20 hertz
Mechanical disturbance that travels in the same direction as the wave.
The time required for one complete wave.
The frequency of a sound wave.
The change when light or sound wave bounce backward off a boundary.
A change in the direction of travel of a sound or light wave crossing a boundary.
When the frequency of an external force matches the natural frequency and standing waves are set.
Apparent increase in volume caused by reflection.
a large, intense wave disturbance of very high pressure
Sound wave that pile up into a shock wave when the source meets or exceeds the speed of sound.
When waves of the same frequency establish regions of maximum and zero displacements.
A mechanical disturbance that cause particles to move perpendicular to the direction of the wave.
Frequencies above 20,000 Hz
back and forth motion that repeats itself
Horizontal disturbance between wave crests.
A disturbance or oscillation that moves through a medium.
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