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Sound is a wave phenomenon caused by the vibration of air molecules.
Summary
The article discusses the physics of sound, explaining that sounds are waves caused by the vibration of air molecules. This concept is fundamental to understanding various scientific principles and can be relevant for general science sections in competitive exams.
Key Points
- Sounds are waves.
- Sounds move by pushing and pulling air molecules.
- The frequency of sound is determined by how fast vocal cords vibrate.
Full Article
Sounds are waves — disturbances that move by pushing and pulling air molecules. Every sound can be counted by a number measuring how fast your vocal cords need to vibrate to generate it
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