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Question

When we change feeble sound to loud sound, we increase its:


A
Velocity
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B
Amplitude
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C
Wavelength
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D
Frequency
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Solution

The correct option is B Amplitude
The loudness of a sound is determined by its amplitude. So, a loud sound has a higher amplitude and a feeble sound has a lower ampltiude. Hence, to change feeble sound to loud sound we have to increase its amplitude.

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