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Published on 20 Mar 2012 | over 4 years ago

Continuing the A Level Physics revision series looking at wave particle duality, covering the original "views" of Newton and Huygens about light being a particle or wave; Young's double slit experiment which appeared to resolve the issue; the photoelectric effect and Einstein's explanation which unresolved it; and DeBroglie's hypothesis that matter could also behave like particles and waves. A full playlist of A Level Physics revision videos is at www.youtube.com/playlist

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