christopherkhine christopherkhine

21-05-2020
Physics

contestada

why do I hear a loud sound when I put my ear against the wall and knock

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Arandomuserhello Arandomuserhello

18-01-2021

Answer:

Because the vibrations made from knocking the wall bounce back to your ear, who picks up the vibrations, and registers it as noise, or that loud noise.

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