Question: Q7. [6A] Students perform a double-slit experiment with a red laser and observe the diffraction pattern on a screen 3.0 m away from the slits.

Q7. [6A] Students perform a double-slit experiment with a red laser and observe the diffraction pattern on a screen 3.0 m away from the slits. Explain, using equations & logic, how would the pattern of dark fringes on the screen change if: a) The screen was moved closer to the slits. b) Two slits that are closer together were used. c) A violet laser was used

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