The amplitude of a sound wave determines its ___.

pitch

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loudness

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wavelength

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frequency

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Solution

The correct option is B
loudness

The amplitude of a sound wave is the maximum distance of a crest or a trough from the mean line. It determines the loudness of the sound. Greater the amplitude, greater will be the loudness.

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Similar questions

Name the quantity from below which determines the loudness of a sound wave :

(a) Wavelength

(b) Frequency, and

By reducing the amplitude of a sound wave, its:

(a) pitch increases (b) loudness decreases

When we change a feeble sound to a loud sound, we increase its :

(a) frequency

(b) amplitude

(d) wavelength

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