Question: You want to photograph a circular diffraction pattern whose central maximum has a diameter of (1.0 mathrm{~cm}). You have a heliumneon laser ((lambda=633 mathrm{~nm})) and
You want to photograph a circular diffraction pattern whose central maximum has a diameter of \(1.0 \mathrm{~cm}\). You have a heliumneon laser \((\lambda=633 \mathrm{~nm})\) and a 0.12 -mm-diameter pinhole. How far behind the pinhole should you place the viewing screen?
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