Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
Interference pattern is observed at ' $\mathrm{P}$ ' due to superimposition of two rays coming out from a source ' $S$ ' as shown in the figure. The value of ' $\mathrm{l}$ ' for which maxima is obtained at ' $\mathrm{P}$ ' is:
( $\mathrm{R}$ is perfect reflecting surface)

PhysicsWave OpticsJEE MainJEE Main 2014 (12 Apr Online)
Options:
  • A
    $1=\frac{2 n \lambda}{\sqrt{3}-1}$
  • B
    $\left.1=\frac{(2 \mathrm{n}-1) \lambda}{2(\sqrt{3}-1}\right)$
  • C
    $\left.1=\frac{(2 n-1 \lambda) \sqrt{3}}{4(2-\sqrt{3}}\right)$
  • D
    $1=\frac{(2 \mathrm{n}-1) \lambda}{\sqrt{3}-1}$
Solution:
2628 Upvotes Verified Answer
The correct answer is:
$\left.1=\frac{(2 n-1 \lambda) \sqrt{3}}{4(2-\sqrt{3}}\right)$
No Solution Available

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play