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title: 'Dispersing prisms'
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#### course to build

<!-- ideas :

1) Many shapes

2) Triangular prims : has been probably seen at a level inferior, but here we can realize a quantitative study, and explain the experimental study realized in our university (at leats insa) : interesant, because we have to consider on a same point at interface glass/air or air/glass, in the same time reflexion and refraction. Full study (inluding uncertainties?)

3) part M : prims used to disperse wavelengths, comparison to grating (links towards wave optics) 

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