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Physics

Sound waves

TermDefinition
What do all waves carry? Energy
The phase of sound in which molecules are squeezed together is called: Compression phase
<20 Hz Infra sound
20 Hz to 20 kHz Audible sound
Ultra sound >20 kHz
What kind of energy is sound? Mechanical
Particles move parallel to the direction of the waves propagation are longitudinal waves
distance over time propagation speed or velocity
Frequency cycles per second
duration of 1 cycle period
compression phase crest
trough rarefaction phase
velocity propagation speed
pressure pascals
density mass per unit volume
distance meters
rarefaction phase the phase of sound in which molecules are stretched apart
If an acoustic variable has a rhythmic oscillation its a sound wave
particles move perpendicular to the direction of the wave's propagation transverse waves
Created by: Gertie6586
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