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Two waves of slightly different frequencies but equal amplitude combine to produce:
ABends
BBands
CBursts
DBeats
Answer & Solution
Correct answer: D. Beats
1. The two slowly drift in and out of step.
2. The combined sound waxes and wanes.
3. That warbling effect is beats.
_Source: OpenStax College Physics 2e, Chapter 16, Oscillatory Motion and Waves._
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