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위상 @acoustics:sound:frequency

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ires a relative reference point to discuss phase. Waves exhibit periodic oscillations, and phase indicate... the wave. Phase is especially crucial in periodic waves, as differences in phase between different waves determine their interaction and interference, contribut... ians. When the phase difference is 0 degrees, two waves are in phase, referred to as "in-phase." Converse

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an object vibrates, it typically creates pressure waves that propagate through a medium, such as air, and are detected by the human ear. These pressure waves cause the eardrum to vibrate and are transmitted ... rain, where they are interpreted as sound. Sound waves are characterized by amplitude, frequency, and wa