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Suppose the mirrors in a Michelson interferometer are perfectly aligned and the path lengths to mirrors M1 and M2 are identical. With these initial conditions, an observer sees a bright maximum at the center of the viewing area. Now one of the mirrors is moved a distance x. Determine a formula for the intensity at the center of the viewing area as a function of x, the distance the movable mirror is moved from the initial position.
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Physics for Scientists and Engineers with Modern Physics
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