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5.2 explain that sound is produced by vibrating objects and that the frequency of the sound is the same as the frequency of the vibration of the source of the sound
explain that sound is produced by vibrating objects and that the frequency of the sound is the same as the frequency of the vibration of the source of the sound
- Sound is a form of energy produced by an object that vibrates, moving backwards and forwards. The vibrating object causes nearby air molecules to vibrate back and forth, and these molecules cause others to vibrate.
- This results in a compression wave travelling through the air.
- The frequency of the vibration of air molecules is the same as the frequency of the vibrating object.