2. S. Coghlan Physics 12

3. S. Coghlan This concept map is designed to help you; Understand how the various different parts of sound link together. Study the whole section of work. Main Concepts Linking words Printer friendly version available from my web site

4. Sound Longitudinal wave characteristics Standing waves - a reflection phenomena Interfere Properties Resonance Natural vibrations showsmay produce may produces has may produce

5. Sound Longitudinal wave characteristics shows Properties has Standing waves - a reflection phenomena may produce Interfere may Resonance may produce Natural vibrations produces

6. Sound Longitudinal wave characteristics shows Properties has Resonance may produce Natural vibrations produces Phase, degrees or radians Amplitude Intensity Level, dB Inverse square Frequency, 20-20000 Hz Doppler effect Wavelength includechanges hearingW m -2

7. Sound Longitudinal wave characteristics shows Intensity Frequency 20-20000 Hz Wavelength Level, dB Inverse square include Doppler effect Properties has Resonance may produce Natural vibrations produces Amplitude Phase, degrees or radians changes hearing W m -2

8. Sound Longitudinal wave characteristics shows Properties has Standing waves a reflection phenomena Reflection Echo Reverberation Refraction FST - warm to cool air SFA - cool to warm air Diffraction Wavelength  opening Pipes Disp antinode = Pressure node Closed - Alternate harmonics only 1,3,5…. Open - All harmonics possible 1,2,3…. Strings 1st harmonic - fundamental 2nd harmonic All possible single multi max bendinginclude in have can be can be in vibration modes

9. Sound Longitudinal wave characteristics shows Properties has include Reflection Refraction Echo Reverberation FST warm to cool air SFA cool to warm air Standing waves a reflection phenomena Pipes Strings in Open All harmonics possible 1,2,3…. Closed Alternate harmonics only 1,3,5…. 1st harmonic fundamental 2nd harmonic All possible Disp antinode = Pressure node can be have vibration modes DiffractionWavelength  opening max bending can be single multi

10. Sound Longitudinal wave char shows has Standing a reflection may produce Natural f Beats Constructive - In phase Destructive - Out of phase Similar f and amplitude If forcing vib = natural f haveloud soft forcedoccurs Natural vibrations Resonance Interfere has may produce may

11. Sound Longitudinal wave characte shows has Standing a reflection may produce Interfere may Constructive In phase Destructive Out of phase loud soft Beats produces Similar f and amplitude Resonance Natural vibrations has If forcing vib = natural f Natural f forced occurs have

12. S. Coghlan Your own concept map Single page concept map

13. Longitudinal wave characteristics Standing waves - a reflection phenomena Interfere Properties Resonance Natural vibrations Phase, degrees or radians Amplitude Intensity Level, dB Inverse square Frequency, 20-20000 Hz Doppler effect Wavelength Reflection Echo Reverberation Refraction FST - warm to cool air SFA - cool to warm air Diffraction Pipes Wavelength  opening Disp antinode = Pressure node Closed - Alternate harmonics only 1,3,5…. Strings Open - All harmonics possible 1,2,3…. Natural f 1st harmonic - fundamental 2nd harmonic All possible Beats Similar f and amplitude Constructive - In phase Destructive - Out of phase If forcing vib = natural f showsmay produce may produces has may produce includechanges hearingW m -2 single multi max bendinginclude in have can be can be in vibration modes haveloud soft forcedoccurs 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

14. Sound Printer friendly version available from my web site

15. Sound Longitudinal wave characteristics shows Properties has Standing waves - a reflection phenomena may produce Interfere may Resonance may produce Natural vibrations produces Intensity Frequency 20-20000 Hz Wavelength Level, dB Inverse square include Doppler effect Amplitude Phase, degrees or radians changes hearing W m -2 include Reflection Refraction echo reverberation FST warm to cool air SFA cool to warm air Diffraction Wavelength  opening max bending single multi Pipes Open All harmonics possible 1,2,3…. Closed Alternate harmonics only 1,3,5…. Disp antinode = Pressure node can be have can be in Constructive In phase Destructive Out of phase loud soft Beats produces Similar f and amplitude have