A point source of monochromatic light with a wavelength of 600 nm is placed at a distance of 3 m from the circular diaphragm. On the other side of the diaphragm at a distance of 1 m from it is a screen. Determine the radius of the aperture if the brightness of the center of the screen is greatest.
Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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