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Question: Answered & Verified by Expert
A graph is plotted between the fringe-width (z) and the distance (D) between the slit and eye-piece, keeping other adjustment same. The correct graph is
PhysicsWave OpticsJEE Main
Options:
  • A (B)
  • B (A)
  • C (C)
  • D (D)
Solution:
2296 Upvotes Verified Answer
The correct answer is: (C)
(A)
$z=\frac{\lambda D}{d} \quad \therefore z \propto D .$

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