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Loudness

To increase l...

Question

To increase loudness of sound by four times, by how much should the amplitude of vibration be changed?

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Solution

To increase loudness of sound by four times, the amplitude of vibration needs to be doubled.

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Similar questions

If the loudness of sound is to be increased 4 times then how many times should the amplitude be increased?

Q. Question 5
In order to reduce the loudness of a sound we have to

(a) Decrease its frequency of vibration of the sound.
(b) Increase its frequency of vibration of the sound.
(c) Decrease its amplitude of vibration of the sound.
(d) Increase its amplitude of vibration of the sound.

Q. If we increase the loudness of a speaker by 9 times then the amplitude of the sound produced by it will ___________.

Q. Question 7
The loudness of sound is determined by the

(a) Amplitude of vibration
(b) Ratio of amplitude and frequency of vibration
(c) Frequency of vibration
(d) Product of amplitude and frequency of vibration

Q. The loudness of a sound is 8 dB when the amplitude of vibrations is 3 units. If the amplitude is increased to 12 units, find the loudness of the sound in dB.

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