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Question: Answered & Verified by Expert
In Young's double slit experiment, a third slit is made in between the double slits. Then
PhysicsWave OpticsKCETKCET 2008
Options:
  • A intensity of fringes totally disappears
  • B only bright light is observed on the screen
  • C fringes of unequal width are formed
  • D contrast between bright and dark fringes is reduced
Solution:
2890 Upvotes Verified Answer
The correct answer is: contrast between bright and dark fringes is reduced
If a third slit is made between the double slits, then contrast between bright and dark fringes is reduced.

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