Frequency Medium Vibration Sound Waves Compression Rarefaction What is a sound wave What section are seen in a sound wave amplitude a mplitude is the maximum distance a particle travels from rest ID: 641035
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Slide1Slide2
AmplitudeSlide3
IntensitySlide4
WavelengthSlide5
FrequencySlide6Slide7
MediumSlide8
VibrationSlide9
Sound WavesSlide10
Compression Slide11
RarefactionSlide12Slide13
What is a sound wave?Slide14
What section are seen in a sound wave?Slide15
amplitudeSlide16
amplitude:
is the maximum distance a particle travels from rest. Slide17Slide18Slide19Slide20
intensitySlide21
intensity:
the amount of sound energy that passes through a square meter in 1 second. Slide22Slide23Slide24
Decibel (dB)
140 dB
6
0 dBSlide25Slide26
What is amplitude?Slide27
Which particle has
less
energy?Slide28
Which particle has
less
energy?Slide29
Does a sound wave have more intensity
c
loser or further from the source?Slide30
What is the unit for intensity?
dB
mL
c
m
gSlide31
What is the unit for intensity?
dB
mL
c
m
gSlide32
wavelengthSlide33
wavelength:
the
distance between two
like points on a waveSlide34
Compression to CompressionSlide35
Rarefaction to RarefactionSlide36
Between 2 “similar” pointsSlide37
frequencySlide38
frequency:
the number of wavelengths that pass
a
set point per second. Slide39
shorter wavelength =
larger frequency
longer
wavelength =
smaller frequencySlide40
Hertz (Hz)
megahertz
kilohertzSlide41Slide42
How are frequency and wavelength related?Slide43
What unit is used for frequency ?
dB
Hz
cm
mLSlide44
What unit is used for frequency ?
dB
Hz
cm
mLSlide45
Which word is used to describe the amount
o
f sound energy that passes through a square
m
eter in 1 second?Slide46
Which word is used to describe the amount
o
f sound energy that passes through a square
m
eter in 1 second?Slide47
Remember!!!Slide48
amplitude:
is the maximum distance a particle travels from rest. Slide49
intensity:
the amount of sound energy that passes through a square meter in 1 second. Slide50
wavelength:
the
distance between two
like points on a waveSlide51
frequency:
the number of wavelengths that pass
a
set point per second. Slide52Slide53
This Video Created With Resources From:
Questions or Comments to Michael Kennedy, Ph.D.
MKennedy@Virginia.edu
Cooperative Agreement # R324B130023
Curry School Foundation’s Research and Development Fund