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      Question

      A beam of light consisting of two wavelengths, 600 nm

      and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find the distance of the third bright fringe on the screen from the central maximum for wavelength 600 nm
      A 1450 (D/d) nm Correct Answer Incorrect Answer
      B 1780 (D/d) nm Correct Answer Incorrect Answer
      C 1440 (D/d) nm Correct Answer Incorrect Answer
      D 1800 (D/d) nm Correct Answer Incorrect Answer

      Solution

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