The ear's perception of the loudness of sound, commonly called sound level, is measured by the decibel (dB) scale. What is the approximate sound level in conversational speech at 1 m away from a speaker? Sound level in shouting speech at 1m from a speaker? Sound level that causes pain in the ear?
What will be an ideal response?
Sound level in conversational speech at 1m from speaker = 60 dB; Sound level of shouting speech at 1 m from speaker = 80 dB. Sound level that causes pain in the ear = 130 dB.
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