Optics Question 1116
Question: The fringe width in Young’s double slit experiment increases when
[MP PMT 2000]
Options:
A) Wavelength increases
B) Distance between the slits increases
C) Distance between the source and screen decreases
D) The width of the slits increases
Show Answer
Answer:
Correct Answer: A
Solution:
$ \beta =\frac{\lambda D}{d}\Rightarrow \beta \propto \lambda $
