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Which characteristic of a sound wave is directly related to the loudness of the sound?


a(amplitude


b(pressure


c(wavelength


d(frequency

Verified Answer :

The amplitude of a sound wave is directly related to the loudness of the sound.

Answer: The correct answer is -

a) amplitude.

Amplitude of a sound wave corresponds to the loudness or intensity or volume of sound.

This means that large amplitude means the energy carried by sound waves is higher, producing higher vibration and thus large intensity of sound is produced.

Thus, amplitude is the right answer.