GCSE Physics (OCR A)

Topic Summaries

Properties of waves

Wave properties

  • The amplitude, A, of a wave is the height of a wave, measured from its peak or trough to its undisturbed position.
  • The wavelength, λ, of a wave is the distance between two equivalent points on it. It can be measured as the distance between two consecutive peaks or troughs.
  • The frequency, f, of a wave is the number of waves produced per second or the number of waves that pass a point in a second measured in Hertz, Hz.
  • The period, T, is the time it takes to produce one wave.
  • Frequency and period are related by the equation \(\text{period}=1\div\text{frequency}\) of \(T=\frac{a}{f}\).

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