PHYS 117
Midwestern University
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Midwestern University
PHYS 117
Sound and sound waves sound waves are longitudinal waves (also called compression or pressure waves) get vibrations from source of sound (eg. loudspeaker, vocal chords) individual molecules vibrate back and forth (horizontal motion) about (fixed) equilibrium position get a travelling wave moving through gas, liquid, or solid (needs a “medium”) frequency of the wave is determined by the source PHYS117 the wavelength spe...
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