Question a film on a lens with an index of refraction of 15, Ask an Expert

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Question: A film on a lens with an index of refraction of 1.5 is 1.0×10⁷ m thick and is illuminated with white light. The index of refraction of the film is 1.3.

Question 1: For what wavelength of visible light will the lens be nonreflecting?

Please use as much detail as possible in your answer. Thank you.

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