Physics 0625 · IGCSE · General properties of waves

General properties of waves — practice question

The water wave in the figure has a frequency of $4.0\,$Hz. What is the speed of this wave?

  • A$3.0\,\text{cm s}^{-1}$
  • B$12\,\text{cm s}^{-1}$
  • C$48\,\text{cm s}^{-1}$
  • D$72\,\text{cm s}^{-1}$

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