Sound Waves: Are an example of longitudinal waves, Need particles to transfer energy, Have a speed of about 343 m/s through air, Cannot travel in a vacuum, Travel more quickly through a solid than a gas, Light Waves: Are an example of transverse waves, Do not need particles to transfer energy , Have a speed of about 300,000,000 m/s through air, Can travel in a vacuum, Travel more quickly through gas than solid , Both : Transfer Energy , Involve oscillations/vibrations, Can be reflected,

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