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Bb 7. Ratio of Intensities
Your research supervisor has given you an opaque foil in which there are two slits separated by
30.0 μm and a helium-neon laser, which emits light of wavelength 632.8 nm. Each of the slits in the
foil has a width of 2.00 um. What is the ratio of the intensity of the n=15 maximum to that of the
central maximum? Explain how you came to your conclusion.

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