What is the thickness of the oil slick

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Reference no: EM13313520

When a beam of white light is incident (vertically) on a thin oil slick (n = 1.25) floating on water, the only enhanced (bright, constructively interfering) colors in the reflected beam are red (wavelength = 675 nm in air) and violet (at 450 nm). What is the thickness of the oil slick?

Reference no: EM13313520

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