The intensity of sound is measured in the units of -
A
joule
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B
watts
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C
decibel
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D
none of these
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Solution
The correct option is C decibel The intensity of sound is measured in the units of decibel. The decibel is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale. One decibel equals 10 times the common logarithm of the power ratio.