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Waves, sound and light


After this lesson, you should be able to:

  • Define a transverse wave as a periodic succession of transverse pulses
  • Define wavelength, frequency, period, crest and trough of a wave
  • Explain the wave concepts “in phase” and “out of phase”
  • Identify points on a snapshot of a wave which are either in phase or out of phase
  • Know the link between frequency and period of a wave
  • Define wave speed (v = f \(\lambda\))
  • Use the wave equation to solve problems on transverse waves