Question

S.I. unit to measure the laud ness of sound.
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Answer 1

Answer:

Sone, unit of loudness. Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and directly measurable).

Explanation:

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Answer 2

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S.I. unit to measure the laud ness of sound.

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Sone, unit of loudness. Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and directly measurable).