Giancoli--Ch 12 Sound MODIFIED.ppt
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Giancoli--Ch 12 Sound MODIFIED.ppt

Giancoli--Ch12SoundMODIFIED.ppt

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Chapter12SoundUnitsofChapter12SoundWavesSoundWavesSoundWaves12-1CharacteristicsofSoundSoundIntensitySoundIntensitySoundIntensitySoundIntensitySoundIntensity12-3TheEarandItsResponse;Loudness12-3TheEaranditsResponse;Loudness12-4SourcesofSound:VibratingStringsandAirColumnsStandingWavesStandingWavesStandingWaves12-4SourcesofSound:VibratingStringsandAirColumns12-4SourcesofSound:VibratingStringsandAirColumns12-5QualityofSound,andNoise;SuperpositionTheamplitudesofthefundamentalandfirsttwoovertonesareaddedateachpointtogetthe"sum,"orcompositewaveform.SuperpositionandInterference12-6InterferenceofSoundWaves;BeatsConstructiveInterference.BothwavesstartatthesametimeandtravelthesamedistanceandarriveatpointC“inphase”NoticetriangleAEDisisosceles.LengthBEwouldbeequaltotheextradistancewaveBtravels.Beats12-6InterferenceofSoundWaves;BeatsTheDopplerEffectTheDopplerEffectTheDopplerEffectTheDopplerEffectTheDopplerEffectTheDopplerEffectTheDopplerEffect12-8ShockWavesandtheSonicBoom12-8ShockWavesandtheSonicBoom12-8ShockWavesandtheSonicBoom12-9Applications:Sonar,Ultrasound,andMedicalImaging12-9Applications:Sonar,Ultrasound,andMedicalImaging12-9Applications:Sonar,Ultrasound,andMedicalImagingSummaryofChapter12SummaryofChapter12