AP Physics 2
14.8 Double-Slit Interference and Diffraction Gratings
A beam of monochromatic light passes through two narrow slits separated by a distance \(d\), forming an interference pattern of bright and dark fringes on a screen located a distance \(L\) from the slits. The distance between the screen and the slits is then changed to \(2L\) while keeping all other parameters constant. By what factor does the distance between adjacent bright fringes on the screen change?
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