Undergrad How does the double-slit pattern change depending on the slits?

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The double-slit experiment demonstrates that the interference pattern is influenced by the width and spacing of the slits. As the slit width increases, the diffraction pattern changes, affecting the visibility and spacing of the interference fringes. The relationship between fringe width and slit separation is described by the formula w = (lambda/s) D, indicating that both slit width and separation significantly impact the resulting pattern. Classical wave mechanics, rather than quantum mechanics, primarily governs these effects. Understanding these relationships is crucial for interpreting the results of the double-slit experiment.
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