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What is During normal conversation sound heard at a 1meter distance is and explain in detail?
Intensity: It is the strength of sound which determines its loudness. It is usually measured in decibels. At a distance of 1 m, intensity of Whisper = 30 dB Normal conversation = 60 dB Shout = 90 dB Discomfo of the ear = 120 dB Pain in the ear = 130 dB Ref : Diseases of ENT by Dhingra 6th edition Pgno : 19