PHYSICS - Refraction
- Created by: bocceer
- Created on: 26-04-16 22:12
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Refraction
- Waves travel at different speeds in different substances (mediums)
- Waves change speed when they pass a boundery between two different mediums e.g. air and gas
- Light travels faster in mediums that are less dense. It is the fastest in a vaccume (sound is the opposite)
- This change in speed causes a change in direction and this effect is…
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