what is intensity of sound ?
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Sound intensity, amount of energy flowing per unit time through a unit area that is perpendicular to the direction in which the sound waves are travelling. Sound intensity may be measured in units of energy or work—e.g., microjoules (10-6 joule) per second per square centimetre—or in units of power, as microwatts (10-6 watt) per square centimetre. Unlike loudness, sound intensity is objective and can be measured by auditory equipment independent of an observer’s hearing.
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Answer:
intensity of sound refers to sound power per unit area
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