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A laser is directed at a double slit with spacing 0.4 mm. The pattern is projected...

A laser is directed at a double slit with spacing 0.4 mm. The pattern is projected on a screen 6 m away. The first bright spot is measured to be 0.0055 meters above the middle. To what angle does the first bright spot correspond? What is the wavelength of the laser? To what angle does the third dark spot correspond? How far is the third order dark spot from the middle?

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