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Question
Which of the following quantity decreases as sound wave travels through a medium?
Which of the following quantity decreases as sound wave travels through a medium?
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Solution
The correct option is A Amplitude
The amplitude of a sound wave decreases with distance from its source, because the energy of the wave is spread over a larger and larger area and is also absorbed by the objects and the media itself. Most of the energy gets dissipated hence, particles loose the maximum displacement which is basically amplitude.
The amplitude of a sound wave decreases with distance from its source, because the energy of the wave is spread over a larger and larger area and is also absorbed by the objects and the media itself. Most of the energy gets dissipated hence, particles loose the maximum displacement which is basically amplitude.
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