1. The figure below shows an interference pattern formed by a laser shining through two thin slits …

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1. The figure below shows an interference pattern formed by a laser shining through two thin slits separated by a distanced= 0.325 mm.( a) If the distance from the mask with the slits to the screen where the pattern is displayed is L= 5 m, what is the wavelength of the light? What color is the light? (b) What happens to the original pattern if eight additional slits are cut at the same spacing, so that there are now ten thin slits, with a separation ofd= 0.325 mm between each? Please answer the question in a sentence or two AND sketch (roughly) the new pattern below by shading dark areas (minima) and leaving white space for bright areas (maxima). (c) What happens to the original pattern if the right-hand slit is covered up? Please answer the question in a sentence or two AND sketch (roughly) the new pattern below by shading dark areas (minima) and leaving white space for bright areas (maxima). (d) What’s the approximate width of each original slit?

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