Задача 40157.

The radius of Newton´s fourth bright ring in transmitted light (λ=500 nm) is equal to r4=4mm. Determine the radius R of curvature of the lens and its optical power Ф(n=1.5). What will the radius r4 be if the space between the lens and the plate is filled with water (n=1.3)?

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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