![]() ![]() If you believe that content available by means of the Website (as defined in our Terms of Service) infringes one Next all we have to do is plug in the values that we know, and we can solve for the wavelength: Now that we have the equation, we can isolate the wavelength term: In this case, is equal to one because we're considering the first dark fringe (on the top/bottom of the central fringe). In the above equation, represents the wavelength of light, represents the length of the slit, and represents the location of the dark fringes (it can equal ). We're then asked to determine the wavelength of the light based on this information.įirst and foremost, we'll need to use the light diffraction equation: In this question, we're told that the size of the slit is, and the first of these dark fringes occurs at an angle of away from the slit. ![]() In such a case, there will be a central bright fringe, with alternating dark and bright fringes as one moves above and below the central fringe. In doing so, the light is diffracted, meaning that it is spread out along a viewing screen. For this question, we're presented with a scenario in which light is passing through a small slit. ![]()
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