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  • Created by: Cally
  • Created on: 31-03-12 11:16


light waves are a special type of wave but they do not need water or air to travel through. they are called electromagnetic waves.

transmitted-to pass through the object

absorbed- to stay inside the object

reflected- to bounce back off the object

a small light source produces a sharp shadow called umbra.

a large light source produces an image with fuzzy edges-it is an umbra and penumbra.

the law of reflection is that the reflective angle is always the same as the indence.

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