v PartA What is the minimum index of refraction of a clear material if a minimum thickness of 123 nm , when laid on glass, is needed to reduce

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v PartA What is the minimum index of refraction of a clear material if a minimum thickness of 123 nm , when laid on glass, is needed to reduce reflection to nearly zerowhen light of 675 nm is incident normally upon it? Assume that the film has an index less than that of the glass. Express your answer using three significant figures. .AECIJMO? R_equest Answer v PartB What is the minimum index of refraction of the material if the film has an index greater than that of the glass. Express your answer using three significant figures.