Optics Question 1120
Question: In a Young’s double slit experiment, the separation of the two slits is doubled. To keep the same spacing of fringes, the distance D of the screen from the slits should be made
[MNR 1998; AMU (Engg.) 2001]
Options:
A) $ \frac{D}{2} $
B) $ \frac{D}{\sqrt{2}} $
C) 2D
D) 4D
Show Answer
Answer:
Correct Answer: C
Solution:
$ \beta =\frac{\lambda D}{d} $
