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Loudness

The loudness ...

Question

The loudness of a sound is a factor of

A

Time

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B

Amplitude

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C

Pitch

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D

Frequency

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Solution

The correct option is B
Amplitude

The loudness of sound is directly proportional to the square of its amplitude and hence is a factor of amplitude.

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Q. Question 9
Pitch of sound is determined by its

(a) Frequency
(b) Amplitude
(c) Speed
(d) Loudness

Complete the following sentences :

(a) The pitch of sound increases if its frequency ......................................

(b) If the amplitude of a sound is halved, its loudness becomes ......................

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

(a) Amplitude of vibration
(b) Ratio of amplitude and frequency of vibration
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Q. The time period, loudness, and amplitude of a sound wave are 4 seconds, 5 dB, and 2 units respectively. Find the loudness and frequency of the sound wave when the amplitude is increased to 10 units and the time period is reduced to half the initial value.

Q. Question 2
The loudness of sound depends on:

(a) Its amplitude
(b) Its frequency
(c) Its time period
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