Physics 9702 · AS & A Level · Transverse and longitudinal waves

Transverse and longitudinal waves — practice question

The graph shows how a quantity $P$ varies with a quantity $Q$ for a sound wave travelling in air. What could $P$ and $Q$ represent?

  • AP: amplitude, Q: intensity
  • BP: frequency, Q: wavelength
  • CP: speed, Q: frequency
  • DP: wavelength, Q: period

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