A SOUND TOPIC. The Physics of Sound Sound travels in longitudinal waves.
Physics of Waves What is sound? 1. Physics of Sound I. Basics of sound Terms and word wall II. What...
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Transcript of Physics of Waves What is sound? 1. Physics of Sound I. Basics of sound Terms and word wall II. What...
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Physics of Waves
What is sound?
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Physics of Sound
I. Basics of soundTerms and word wall
II. What is a wave?III. Ultrasound
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Sound word wall
• Wave• Crest• Trough• Amplitude• Frequency• Hertz• Pitch• Doppler effect• Noise
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What is a wave?
http://www.fearofphysics.com/Sound/dist.html
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What is a wave?
1. The wavelength of the wave in the diagram above is given by letter ______. 2. The amplitude of the wave in the diagram above is given by letter _____.
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What is a wave?
3. Indicate the interval that represents one full wavelength.
http://www.fearofphysics.com/Sound/dist.html
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Waves
• What is sound?– Pitch– Frequency– Noise
• What is noise?– How do noise differ from sound?
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Ultrasound
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Ultrasound
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UltrasoundUltrasound imaging: imaging the heart
heart valves
atrium
ventricle
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UltrasoundUltrasound imaging: carotid artery
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UltrasoundUltrasound imaging: carotid artery
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UltrasoundUltrasound imaging: carotid artery
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• Speed = Wavelength • Frequency• Using the symbols v, , and f, the equation can
be rewritten as• v = f •