Waves

Waves

1. Reflection

   • angle of incident = angle of reflection
   • Law of reflection
   • The wavelength is the same before and after reflection
   • Oi = Or

2. Refraction

   • 1
   • 2
   • 1 diagram
     • Waves slower in shallower water
       • Crest are closer together
     • Waves have not changed direction
     • Wavelengths is less after reflection
   • 2 diagram
     • waves change direction as they flow over the glass
     • wavelength is less after refraction

3. TRANSVERSE

   • LIGHT/ ALL ELECTROMAGNETIC WAVES
   • WAVES TRAVEL PERPENDICULAR TO WAY ENERGY IS TRANSFERRED

4. LONGITUDINAL

   • SOUND
   • WAVES TRAVEL IN THE SAME DIRECTION AS ENERGY IS TRANSFERRED

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