Задача 50404.

A flat-convex lens is placed on the glass plate with the convex side. The lens is illuminated from above by monochromatic light with a wavelength of 600 nm. Find the radius R of the lens if the radius of the eighth Newton’s dark ring in reflected light is 2.4 mm.

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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