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Question: Answered & Verified by Expert
In an interference experiment, the spacing between successive maxima or minima is
PhysicsWave OpticsMHT CETMHT CET 2008
Options:
  • A $\lambda d / D$
  • B $\lambda D / d$
  • C $d D / \lambda$
  • D $\lambda d / 4 D$
Solution:
2962 Upvotes Verified Answer
The correct answer is: $\lambda D / d$
In an interference experiment the spacing between successive maxima and minima is called the fringe width and is given by
$$
\beta=D \lambda / d
$$

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