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  • When we change feeble sound to loud sound we increase its (a) frequency (b) amplitude (c) velocity (d) wavelength

When we change feeble sound to loud sound we increase its

(a) frequency

(b) amplitude

(c) velocity

(d) wavelength

Answers (1)

Answer: B

Solution:

Generally sound is characterized by its pitch and loudness.

Pitch is frequency of sound, which tells us number of oscillations, any particle will make in one second.

f=\frac{1}{T}

The loudness represent energy or intensity of the sound.

It is generally governed by the fact that how far a particle moves in its oscillation.

This maximum displacement of the particle in oscillation is called amplitude.

So loudness increases means amplitude of oscillation increases.

Hence the correct answer of this question is option B

Posted by

infoexpert24

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