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Using a 671 nm wavelength laser, you form the diffraction pattern of a 1.1 mm wide...

Using a 671 nm wavelength laser, you form the diffraction pattern of a 1.1 mm wide slit on a screen. You measure on the screen that the 15th dark fringe is 9.47 cm away from the center of the central maximum. How far is the screen located from the slit?

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Answer #1

Sol for 15th dark fringe, n=15 wave length, 1 = 671 nm = 671x1019 m 9 = g. 47 cm = g. 478102 m width of slit, d = 1.1 mm = 1

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