Class 9 Physics Sound Sound produced by vibrating body

Sound is produced by a vibrating body

  • Sound is always produced by a vibrating body. Sometimes, the vibration is clearly visible and the sound is strong, whereas in some cases, the vibration is small and the sound is feeble.
  • The to and fro or back and forth motion of a body is termed as vibration or oscillatory motion
  • When a tuning fork is struck hard against a rubber ball, it vibrates producing a sound.
  • When the strings in a violin vibrates, it produces sound.
  • When the diaphragm of a drum is struck, it vibrates and produces sound.

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