Which of the following characteristics of sound depends on the amplitude of vibrations?

speed

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pitch

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loudness

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quality

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Solution

The correct option is C loudness
Loudness of a sound is proportional to the square of the amplitude. If we increase the amplitude of the sound it’s loudness also increases. Speed, pitch and quality of sound do not depend on the amplitude of the sound.

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Similar questions

Name the characteristic of sound which depends on : (a) amplitude (b) frequency.

State whether the following statements are true or false:

(a) Sound cannot travel in vacuum.

(b) The number of oscillations per second of a vibrating object is called its time-period.

(d) The lower the frequency of vibration, the higher is the pitch.

(e) If the amplitude of vibrations is doubled, the loudness of sound also gets doubled.

(f) When the amplitude of vibrations is halved, the loudness of sound becomes one-fourth.

(g) Unwanted or unpleasant sound is termed as music.

(h) Noise pollution may cause partial hearing impairment.

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