50. Dφ angular dispersion of the diffraction grating for λ = 6,68 ∙ 10-7 m in the spectrum of the first order is equal to 2,02 ∙ 105 rad / m. Find linear dispersion Dl (mm / m) and the period of the grating d, if the focal length of the lens, projecting range on the screen, f = 40cm.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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