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Problem: A thin layer of a transparent material with an index of refraction of 1.23 is used as a non reflective coating on the surface of glass with an index of refraction of 1.56.

Part A: What should the thickness of the material be for it to be nonreflecting for light of wavelength 480 nm?

....... nm

I need help to find the thickness of the material be for it to be nonreflecting for light of wavelength 480 nm.

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