Question

what is the unit of landness

Answer 1

unit of loudness is hertz

Answer 2

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. Thus, the unit of Loudness is hertz.
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