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Science → Physical sciences → Physics → Acoustics
ANSWERS: 1
  • yakkie
    Howdy, Per http://www.4hearingloss.com/archives/2006/03/beware_of_those.html The human ear is sensitive enough to catch sounds from 0 to 140 decibels (db) or frequency range from 20 to 20,000 hertz. A whisper may be 0 db (15 hertz) while a normal conversation may hover around 60 db. All other typical sound frequencies range from 200 to 3,000 hertz. Sound at 140 db can severely affect nerves in the ear. Yak
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