Write down a formula and draw a graph

laser light with wavelength A = 600 nm is sent through a screen with N narrow slits spaced a apart from each other (e.g. if there are 3 slits, they are at 0, a,2a). You observe the resulting diffraction pattern on a screen placed far (meters) away. The screen is curved, so that the distance of the screen to the slits is constant with angle. This simplification means you don’t have to take into account longer paths for larger angles or other geometric concerns. a) If N = 2, and a = 1200nm, write down a formula and draw a graph of the intensity vs. angle for —90

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