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Homework Help: Young's Double Slit

  1. Jan 23, 2009 #1
    S1 and S2 are two coherent sources of light in a Young's two slit experiment separated by a distance 0.50mm, and O is a point equidistant from S1 and S2. O is on screen A which is 0.80m from the slits.

    When a thin parallel-sided piece of glass G of thickness 3.6*10^-6 m is placed near S1, the centre of the fringe system moves from O to a point P. Calculate OP if the wavelength of the monochromatic light from the two slits is 6.0*10^-7 m and the refractive index of the glass is 1.5.
  2. jcsd
  3. Jan 23, 2009 #2
    Show your attempt at solving this problem.
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