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27-04-2016
Physics

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What unit is used to measure loudness and at what level can hearing loss happen?

Verified Answer :

27-04-2016

decibel (dB) and, hearing loss levels can be anywhere like -56 to -70 dB for Moderate/severe hearing loss, -71 to -90 dB for Severe loss and -91 dB for Profound loss.

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