GCSE Physics Revision

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In this video, we look at refraction of waves. First we explore what is meant by refraction and look at how this is due to changes in the speed of waves as they change from one medium to another. Finally, we use the idea of wavefronts to explain how changes in wave speed cause refraction.

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Image credits: https://creativecommons.org/licenses/by/2.0/uk/

Glass with striped background
JrPol
https://commons.wikimedia.org/....wiki/File:R-DSC00449

Straw in blue water
Bcrowell
https://commons.wikimedia.org/....wiki/File:Refraction

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