Wave

Wave

1. transverse

   • light
   • ripples on the surface of water

2. longitudinal

   • sound wave
   • seismic P-wave
   • ultrasound

3. feature

   • peak/crest
   • amplitude
   • wavelength
   • trough
   • time period
   • frequency
   • displacement

4. equation

   • time period=1/frequency
   • wave speed=frequency×wavelength
   • speed=distance/time

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