Question

noise became physically painful at _dB
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Answer 1

Answer:

Hearing becomes uncomfortable if the sound pressure level is above 110 decibels (threshold of discomfort), and it becomes painful above 130 decibels (threshold of pain). ... Most people perceive a 10-decibel increase in volume to be “twice as loud.”

Explanation:

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Answer 2

Answer:

Hearing becomes uncomfortable if the sound pressure level is above 110 decibels (threshold of discomfort), and it becomes painful above 130 decibels (threshold of pain). ... Most people perceive a 10-decibel increase in volume to be “twice as loud.”

Explanation:

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