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Question
Which characteristic of sound changes when you lower the volume of your speaker?
Which characteristic of sound changes when you lower the volume of your speaker?
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Solution
The correct option is D Amplitude decreases
When we decrease the volume of a speaker, the loudness of the sound reduces. Loudness is the perception of sound pressure, and, the degree of the change in pressure (compression and rarefaction) is determined by the amplitude of it. The amplitude is thus reduced in the real sense.
When we decrease the volume of a speaker, the loudness of the sound reduces. Loudness is the perception of sound pressure, and, the degree of the change in pressure (compression and rarefaction) is determined by the amplitude of it. The amplitude is thus reduced in the real sense.
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