Exam-style question
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What occurs during a rarefaction in a longitudinal wave?.
- A.Particles are compressed together
- B.Particles are at rest
- C.Particles are spread apart
- D.Particles oscillate with maximum amplitude
Model answer
What a good answer should say
- Particles are spread apart
Explanation
Why this works
Rarefactions are regions in a longitudinal wave where particles are spaced further apart, leading to lower pressure compared to compressions.
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