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| 1. |
The SI unit of 'loudness' of sound, is |
| Answer» DECIBEL is the UNIT you are looking for. The LOUDNESS of sound is measured in units called decibels (dB). A decibel unit expresses the relative intensity of sounds on a scale from zero for the average least PERCEPTIBLE sound to about 100 dB, which is near the level most people FIND uncomfortably loud. | |