Optics Question 843
Question: Young’s double slit experiment is made in a liquid. The bright fringe lies in liquid where dark fringe lies in vacuum. The refractive index of the liquid is approximately
Options:
A) 1.8
B) 1.5
C) 1.3
D) 1.6
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Fringe width
When the apparatus is immersed in a liquid, then
or
or