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A pair of narrow and parallel slits is separated by a distance (d) of 0.750mm and...

A pair of narrow and parallel slits is separated by a distance (d) of 0.750mm and are illuminated by a green light with a wavelength of 562nm. The interference pattern is seen on a viewing screen that is L = 1.80 m away from the plane of the parallel slits.

a) Find the distance from the center of the central maximum to the center of the first dark fringe

b) calculate the distance from the center of the central maximum to the center of the first bright fringe

c) Calculate the distance y from the central maximum for which the average intensity on the screen is 45.0% of the maximum. (NOTE THAT THE RESULT FOR C SHOULD BE LESS THAN THE DISTANCE FOUND IN PART A)

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