What are the conditions for bright and dark fringes in diffraction?
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This pattern of bright and dark lines is known as an interference fringe pattern. ... The dark fringes on either side of the zero-order fringe are caused by destructive interference. Light from one slit travels a distance that is ½ wavelength longer than the distance traveled by light from the other slit.
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This pattern of bright and dark lines is known as an interference fringe pattern. ... The dark fringes on either side of the zero-order fringe are caused by destructive interference. Light from one slit travels a distance that is ½ wavelength longer than the distance traveled by light from the other slit.
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