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Q.

Loudness of sound is measured in[[1]].


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Detailed Solution

The loudness of sound is measured in decibels (dB).
The loudness of a sound is related to the intensity of sound, the intensity at the threshold of hearing. The intensity of threshold hearing in humans is approximate 00000000000001 W/m2 and corresponds to 0 decibels (dB). Loudness is that phenomenon of the wave of sound, which depends on the wave's amplitude.
The loudness of sound is measured in the unit decibels (dB). A decibel (dB) unit is the relative intensity of the sound on a scale from zero to about 100 decibels (dB). One hundred decibels (dB) is the most uncomfortable range that humans can hear.
     
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