Question

What is the SI unit of 'loudness' of a sound

Answer 1

the si unit of loudness is decibles.
hope u like this answer
please mark me as brainliest.

Answer 2

ANSWER

The S.I unit is decibels .

Definition :

Loudness is the characteristic property by which can distinguish two sounds of the same frequency and pitch.

We can distinguish between a faint sound from a loud sound using the property .

Factors affecting loudness

• Loudness is directly proportional to the square of amplitude .

• Loudness is inversely proportional to the square of distances.

• Loudness is directly proportional to the surface of a vibrating body.

• Loudness is directly proportional to the density of the medium.

Loudness is measured in decibels.

A sound having more than 120 dB is considered to be a noise pollutant .