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In a double slit experiment, a student measures the maximum and minimum intensities when two waves with equal amplitudes are used. The student then doubles the amplitudes of the two waves and performs the measurements again. Which of the following will remain unchanged?
  1. The intensity of the bright fringe
  2. The intensity of the dark fringe
  3. The difference in the intensities of consecutive bright
  4. and dark fringes
  5. None of the above
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OpenStax College Physics Solution, Chapter 27, Problem 5 (Test Prep for AP® Courses) (0:55)

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