In order to reduce the loudness of a sound, we have to ________.

decrease the frequency of the sound

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increase the frequency of the sound

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decrease the amplitude of the sound

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increase the amplitude of the sound

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Solution

The correct option is C decrease the amplitude of the sound
The loudness of the sound does not depend upon its frequency. It depends on the amplitude of vibration. Thus, if the amplitude of the sound is more, the sound will be louder. Hence, we need to decrease the amplitude of the sound to reduce its loudness.

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Similar questions

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

(a) frequency (b) amplitude (c) speed (4) timbre

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

(a) frequency

(b) amplitude

(d) wavelength

By reducing the amplitude of a sound wave, its:

(a) pitch increases (b) loudness decreases

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