Normal voice heard from 1 meter, intensity of sound reaching ear is
Correct Answer: 60 dB
Description: Ans. is 'c' i.e. 60dB Intensity is the strength of sound which determines its loudness. It is usually measured in deeibeis (dB). o Following are intensities when a person is at a distance of one meter from sound source. Whisper 30dB Normal conversation 60dB Shout 90 dB Discomfo of ear 120dB Fain in ear 130 dB
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