Решение задачи по физике раздел 2 пункт 63 оптика

63. spire tower building reinforced one under the other two red lights (λ = 640 nm). The distance d between lamps 20 cm. The building is considered a telescope at night from a distance of r = 15 km. Determine the smallest diameter Dmin lens in which its focal plane diffraction images obtained separate.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)