Define loudness of sound. Write 3 factors on which the loudness of a sound depends. | web4study

Define loudness of sound. Write 3 factors on which the loudness of a sound depends.

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The loudness of Sound:

Loudness is that property of sound which enables us to distinguish between a faint and a loud sound. It depends on the intensity of sound waves.

Factors on which loudness depends:

(i) Area of vibrating body:

The larger the area of the vibrating object, the louder is the sound produced e.g. a drum gives louder sound than dholes.

(ii) The amplitude of the vibrating body:

If the amplitude of the vibrating object is larger or greater, the louder sound is produced. E.g. A drum struck strongly makes its membranes vibrate with greater amplitude, and produces a louder sound.

(iii) The distance of the source of the sound:

If the lister is far away from the source of the sound, the faint sound is heard, when the source of sound is near, loud sound is heard.


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