Posted by Anonymous on Thursday, July 8, 2010 at 9:13am.
Ear defenderes reduce the amount of noise (sound power) that gets to your ears by producing a physical barrier that absorbs the noise and muffles it.
Ear defenders work by absorbing the sound that was headed to your ear. They absorb the sound waves by increasing air resistance this reduces the loudness of the waves. The energy is converted into heat and the person wearing them can hear sounds at quieter amplitude than the actual sound.
Ear defenders work by absorbing the sound that was headed to your ear. They absorb the sound waves by increasing air resistance this reduces the loudness of the waves. The energy is converted into heat and the person wearing them can hear sounds at quieter amplitude than the actual sound.
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