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Loudness

By reducing t...

Question

By reducing the amplitude of a sound wave, its:

(a) pitch increases (b) loudness decreases

(c) loudness increases (d) pitch decreases.

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Solution

The loudness of sound is proportional to the square of the amplitude. So, by reducing the amplitude of the sound wave, its loudness decreases and the correct choice is (b).

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Q. Question 9
Pitch of sound is determined by its

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(b) Amplitude
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Q. Question 5
In order to reduce the loudness of a sound we have to

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(b) Increase its frequency of vibration of the sound.
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(d) Smaller the emebrene, ___ is the pitch.

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(a) amplitudes (b) frequencies

(c) wave forms (d) all the above.

Q. Loudness and pitch of a sound wave depends upon ______ and ______, respectively.

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