Question

how does the sound produced by a vibrating object in a medium reach your ear?
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Answer 1

When a vibrating object starts vibrating .... the particles around that particular object also starts to move .... it goes on increasing and finally that vibration reaches our ear through those air particles ...

Hope it helps

Answer 2

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When an object vibrates, it necessitates the surrounding particles of the medium to vibrate. The particles that are adjacent to vibrating particles are forced to vibrate. Hence the sound produced by a vibrating object in a medium is transferred from particle to particle till it reaches your ear.