Задача 40458.

A point source of light S and an observation point A are located on the axis of a round hole at distances of 1 m and 2 m from it, respectively. The wavelength of light is 6 * 10^-7 m. At what minimum radius of the hole at the observation point will the intensity maximum occur?

A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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