When we increase the loudness of sound of a TV, the property of sound that changes is:

Amplitude

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Frequency

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Wavelength

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Speed

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Solution

The correct option is A Amplitude
Loudness of sound is proportional to the intensity and amplitude of sound. So when we turn on the volume of TV, the amplitude of sound wave increases hence, loudness of sound increases
So the answer is A.

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Similar questions

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

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

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

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