Created by StemPy LabA double-slit experiment in air gives a fringe width . The whole apparatus is then put under a liquid of refractive index . Which change brings the fringe width back to ?
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← White light falls on a double slit, and at one point of the screen the path difference is 1.37 µm. One colour of the visible spectrum is missing there, because it interferes destructively. What is its wavelength?The two slits of a double-slit experiment have widths in the ratio 4 : 1, so they give intensities in the same ratio. What is the ratio of the brightest to the darkest intensity in the pattern? →
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