light

    Cards (10)

    • define reflection
      a wave that passes between two substances
    • state the two laws of reflection

      angle of incidence is equal to angle of reflection
    • what is the angle of reflection
      30 degrees
    • what is the ray that hits the mirror called

      incident ray
    • true or false you cannot see an imagine using a rough surface like paper
      true
    • what is a flat mirror called
      plane mirror
    • what is refraction
      the change of wave in the direction of a wave passing from one medium to another
    • what happens when light hits a glass block at an angle?
      the change in speed causes a change in direction
    • a light ray travels from a more dense medium to a less dense medium will the light ray bend towards the normal or away
      away from normal
    • explain why you can see a reflection of yourself in a mirror but not in a piece of cardboard
      cardboard has a rough surface so the light is reflected in lots of different directions
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