Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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Describe with diagram, how compressions and rarefactions are produced. - Science

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Answer in Brief

Describe with diagram, how compressions and rarefactions are produced.

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Solution

Sound is also a longitudinal wave. Sound can travel only when there are particles which can be compressed and rarefied. Compressions are the regions where particles are crowded together. Rarefactions are the regions of low pressure where particles are spread apart. A sound wave is an example of a longitudinal mechanical wave. Below figure represents the longitudinal nature of sound wave in the medium.

Concept: Sound
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 9th Science Answers Guide
Chapter 8 Sound
Exercise | Q V. 1. | Page 100
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