Physics 9702 · AS & A Level · Interference

Interference — practice question

A double-slit interference experiment is arranged with green light. Interference fringes are produced on a screen. Which one change would make the fringes farther apart?

  • Aincrease the width of each slit
  • Bmove the screen nearer to the double slit
  • Cuse slits that are further apart
  • Duse red light instead of green light

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