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Diffraction by a Grid
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In the case of grids, it can be understood that the light arises from an array of multiple slits that can be modeled as equidistant aligned sources. The light of the different slits interferes generating a pattern of constructive (light) and destructive (dark) interference points.
ID:(1380, 0)
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\lambda =\displaystyle\frac{ d }{ m }\sin \theta
lambda = d *sin( theta )/ m
ID:(16085, 0)
