Properties of Waves

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  • Created by: ritika
  • Created on: 18-08-13 16:32

Reflection = 

  • Ripple tank: when plane (straight) waves reflect from a flat reflector, the reflected waves are at the same angle to the reflector as the incident waves
  • (the water waves reflect off the barrier in the same way as they hit it) - law of relfection

Refraction = change of direction of the waves as they travel across a new boundary

  • Ripple tank: The water above the object (which is in the water) is shallower than the water in the rest of the tank
  • waves are slower in the shallower water than the deeper water
  • if waves are travelling along the normal then they cannot be refracted
  • when waves are made to slow down, their wavelengths get shorter but the frequency does not change
  • if they enter a slower medium at an angle, their

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