Question

The SI unit of 'loudness' of sound, is ​

Answer 1

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.

Answer 2

Answer:

sone is answer

please mark me as brainlist