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PHYSICS CH8 Sound — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH8 Sound1 Mark
Question
Distinguish between compression and rarefactions.
✓

Answer

Compression :
Compressions are the regions where particles are crowded together.
Rarefaction :
Rarefactions are the regions of low pressure where particles are spread apart.

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