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Question: Answered & Verified by Expert

A thin transparent sheet is placed in front of Young's double-slit. The fringe-width will

PhysicsWave OpticsNEET
Options:
  • A Increase
  • B Decrease
  • C Remain same
  • D Become non-uniform
Solution:
2129 Upvotes Verified Answer
The correct answer is: Remain same
By placing a sheet optical path length changes by μ - 1 t , using that justify that by placing a sheet fringe width remains same only entire wave pattern shift's by a distance Δy = μ - 1 tD d

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