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Question: Answered & Verified by Expert
$n$ identical waves each of intensity $I_0$ interfere with each other. The ratio of maximum intensities if the interference is (i) coherent and (ii) incoherent is :
PhysicsWave OpticsJEE MainJEE Main 2013 (23 Apr Online)
Options:
  • A
    $n^2$
  • B
    $\frac{1}{n}$
  • C
    $\frac{1}{n^2}$
  • D
    $n$
Solution:
2919 Upvotes Verified Answer
The correct answer is:
$n$
$\frac{\text { (Maximum intensity) coherent interference }}{\text { (Maximum intensity) coherent interference }}$ $=\frac{\mathrm{n}^2 \mathrm{I}_0}{\mathrm{nI}_0}=\mathrm{n}$

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