How the loudness of sound is related with energy and amplitude

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Solution

The higher the intensity of a sound, the louder it is perceived in our ears, and the higher volume it has. Since intensity is a function of energy, and energy is relatedto amplitude, then we can make the conclusion that the volume of a sound( loudness of sound is proportional to the amplitude of the sound wave.

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How is Loudness related to amplitude of sound and in what units it is measured? [3 MARKS]

(a) Which of the following quantity determines the loudness of a sound wave ?

(i) wavelength, (ii) frequency, and (c) amplitude.

(b) How is loudness related to the quantity mentioned above in part (a) ?

How is loudness of sound related to the intensity of wave producing it ?

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