state the safe limit of sound level in terms of decibels for human hearing
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85 decibels is considered as the highest safe exposure level up to maximum of 8 hours
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The dBA full form is the A-weighted decibels that is used to describe the sound level a human ear can hear.
- For a human ear the sound below 70 dBA are consider to be safe and the sound above 85 dBA are considered to damage the human ear.
- For example, if we take the headphones there are dBA is above 94-110 that can harm human ear
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