The amplitude of the sound waves determines ___.

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 wave is the maximum distance of a crest or a trough from the mean line. It determines the loudness of the wave. 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

Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their

(i) loudness, and

(ii) pitch.

By reducing the amplitude of a sound wave, its:

(a) pitch increases (b) loudness decreases

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