일반물리학 2 · Diffraction · Problem 61
일반물리학 2 — Diffraction: Problem 61
61 A grating has 350 rulings/mm and is illuminated at normal incidence by white light. A spectrum is formed on a screen 30.0 cm from the grating. If a hole 15.0 mm square is cut in the screen, its inner edge being 45.0 mm from the central maximum and parallel to it, what are the (a) shortest and (b) longest wavelengths of the light that passes through the hole?
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