|
wave
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vw = fλ
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|
mechanical
|
non-mechanical
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longitudinal
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radio waves vs sound waves
|
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damped
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heat
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compression
|
rarefaction
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amplitude (pressure/density)
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point source
|
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frequency (f)
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hertz
|
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kilohertz
|
megahertz
|
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vibration
|
period (T)
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|
equilibrium position
|
wavelength (λ)
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|
relationship between frequency and wavelength
|
relationship between frequency and period
|
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human range of frequencies
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infrasonic
|
|
ultrasonic
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intensity, decibels
|
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interference
|
beats
|
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beat pitch
|
beat frequency
|
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constructive
|
destructive
|
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antinodes (A)
|
nodes (N)
|
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loops
|
resonance
|
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forced vibration
|
natural frequency
|
|
properties of open pipes
|
properties of closed pipes
|
|
harmonics
|
overtones
|
|
standing waveform for an open water column
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reflection
|
|
echo
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reverberation
|
|
speed of sound (dry air)
|
speed of sound increases with the medium's
rigidity, temperature, humidity
|