Problem 40159.
To eliminate the reflection of light, a film of a substance with a refractive index of 1.3 less than that of glass is applied to the surface of the glass lens. At what minimum thickness of this film will reflection of light with a wavelength of 0.48 µm not be observed if the angle of incidence of the rays is 30°?
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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