Post on 02-Jan-2016
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S. Coghlan
Physics 12
S. Coghlan
This concept map is designed to help you;
Understand how the various different Understand how the various different parts of sound link together.parts of sound link together.
Study the whole section of workStudy the whole section of work ..
Main Concepts
Linking words
Printer friendly version available from my web site
Sound
Longitudinal wave characteristics
Standing waves - a reflection phenomena
Interfere Properties
Resonance Natural vibrations
shows may produce
may produces has
may produce
Sound
Longitudinal wave characteristics
shows
Propertieshas
Standing waves - a reflection phenomena
may produce
Interfere
may
Resonancemay produce
Natural vibrations
produces
Sound
Longitudinal wave characteristics
shows
Propertieshas
Resonancemay produce
Natural vibrations
produces
Phase, degrees or radians
Amplitude Intensity
Level, dB Inverse square
Frequency, 20-20000 Hz
Doppler effect Wavelength
include changes
hearing W m-2
Sound
Longitudinal wave characteristics
shows
IntensityFrequency20-20000 Hz
Wavelength
Level, dBInverse square
include
Doppler effect
Propertieshas
Resonancemay produce
Natural vibrations
produces
AmplitudePhase, degrees or radians changes
hearingW m-2
Sound
Longitudinal wave characteristics
shows
Propertieshas
Standing wavesa reflection phenomena
Reflection EchoReverberation RefractionFST - warm to cool airSFA - cool to warm air DiffractionWavelength opening PipesDisp antinode = Pressure nodeClosed - Alternate harmonics only 1,3,5….Open - All harmonics possible 1,2,3….Strings 1st harmonic - fundamental2nd harmonic All possible
single multi max
bending include in
have can be can be
in vibration modes
Sound
Longitudinal wave characteristics
shows
Propertieshas
include
Reflection
Refraction
Echo
Reverberation
FSTwarm to cool air
SFAcool to warm airStanding waves
a reflection phenomena
Pipes
Strings
inin
OpenAll harmonicspossible1,2,3….
ClosedAlternateharmonics only1,3,5….
1st harmonicfundamental 2nd harmonic
All possible
Disp antinode= Pressure node
can be
havevibrationmodes
Diffraction Wavelength opening
max
bending
can be
single
multi
Sound
Longitudinal wave char
shows
has
Standing a reflection
may produce
Natural fBeats Constructive - In phaseDestructive - Out of phaseSimilar f and amplitudeIf forcing vib = natural f
have loud softforced occurs
Natural vibrations
Resonance
Interfere
has
may produce
may
Sound
Longitudinal wave characte
shows
has
Standing a reflection
may produce
Interferemay
Constructive In phase
Destructive Out of phase
loud
softBeatsproduces
Similar fandamplitude
Resonance
Naturalvibrations
has
hasIf forcing vib= natural f
Natural fforced
occurs
have
S. Coghlan
Your own concept map
Single page concept map
Longitudinal wave characteristicsStanding waves - a reflection phenomena Interfere Properties Resonance Natural vibrations Phase, degrees or radians Amplitude Intensity Level, dB Inverse squareFrequency, 20-20000 HzDoppler effect WavelengthReflection EchoReverberation RefractionFST - warm to cool airSFA - cool to warm air Diffraction Pipes Wavelength openingDisp antinode = Pressure nodeClosed - Alternate harmonics only 1,3,5…. StringsOpen - All harmonics possible 1,2,3…. Natural f1st harmonic - fundamental2nd harmonic All possibleBeats Similar f and amplitudeConstructive - In phaseDestructive - Out of phaseIf forcing vib = natural f
shows may produce
may produces has
may produce include changes
hearing W m-2
single multi max
bending include in
have can be can be
in vibration modeshave loud softforced occurs
You can use these Main Concepts and Linking Words to complete your own concept map. You can print out the next page and use it as a framework.
Main Concepts
Linking Words
Printer friendly version available from my web site
Sound
Printer friendly version available from my web site
Sound
Longitudinal wave characteristics
shows
Propertieshas
Standing waves - a reflection phenomena
may produce
Interferemay
Resonancemay produce
Natural vibrations
produces
Intensity
Frequency20-20000 Hz
Wavelength
Level, dBInverse square
include
Doppler effect
AmplitudePhase, degrees or radians
changeshearing W m-2
include
Reflection
Refraction
echo
reverberation
FSTwarm to cool air
SFAcool to warm air
Diffraction
Wavelength opening
max
bending
singlemulti
Pipes
OpenAll harmonicspossible1,2,3….
ClosedAlternateharmonics only1,3,5….
Disp antinode= Pressure node
can be havecan be
in
Constructive In phase
Destructive Out of phase
loud
softBeatsproduces
Similar fandamplitude
have