As the amplitude of a sound wave in air decreases to zero, _________________. th

Question

As the amplitude of a sound wave in air decreases to zero, _________________. the condensations and rarefactions of the wave occupy more and more distance along the direction in which the wave is traveling. both the condensations and the rarefactions of the wave disappear. nothing happens to the condensations of the wave, but the rarefactions disappear. the condensations of the wave disappear, but nothing happens to the rarefactions. nothing happens to the condensations and rarefactions of the wave.

Explanation / Answer

e. Both the condensations and the rarefactions disappear. Sound waves produce alternate condensations (or compressions) and rarefactions of the medium through which they propagate. These depend on the amplitude of the sound.

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