Physics 9702 · AS & A Level · Interference

Interference — practice question

In a double-slit experiment, the separation of the fringes on a screen was too small to measure. What change would make the fringe spacing larger?

  • Aincreasing the distance between the light source and the slits
  • Bincreasing the distance between the slits and the screen
  • Cincreasing the distance between the slits
  • Dincreasing the frequency of the light source

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