Physics 0625 · IGCSE · Sound

Sound — practice question

A sound wave moves with a speed of $330\,\text{m s}^{-1}$. The separation between the centre of a compression and the centre of the closest rarefaction in the sound wave is $2.5\,\text{cm}$. Determine the frequency of the sound wave?

  • A$66\,\text{Hz}$
  • B$130\,\text{Hz}$
  • C$6600\,\text{Hz}$
  • D$13\,000\,\text{Hz}$

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