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Back to 27.5 Single Slit Diffraction

27.5 Exercise 1

Avg difficulty 2.5

A diffraction pattern is formed on a screen when light of wavelength 410 nm is passed through a single slit of width 1 μm. If the source light is replaced by another light of wavelength 700 nm, what should be the width of the slit so that the new light produces a pattern with the same spacing?

  1. 0.6 μm
  2. 1 μm
  3. 1.4 μm
  4. 1.7 μm

OpenStax College Physics 2e, 27.5 Single Slit Diffraction, exercise 1

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.