What is loudness of sound? What factors does it depend on?


To do:

To define the loudness of sound and also to mention the factors on which it depends.

Solution:

Loudness of sound:

Loudness is the attribute of sound that determines the intensity of the auditory sensation produced. When the intensity is very small, the sound is not audible; when it is too great, it becomes painful and dangerous to the ear.

Factors on which loudness of sound depends:

Following are the factors on which the loudness of a sound depends:

1. Amplitude of a sound wave:

The loudness of a sound wave depends on its amplitude. The higher the amplitude of a sound wave, the loudness of the sound will be high as shown in the figure below:


2. Amount of energy that initiated the sound wave:

The loudness of a sound wave also depends on the amount of energy that initiated this sound wave. The greater this energy, the higher will be the loudness of the sound.

Updated on: 10-Oct-2022

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