Question
Physics Question on Wave optics
Young's double slit experiment is first performed in air and then in a medium other than air. It is found that the 9th bright fringe in the medium lies where the 5th dark fringe lies in the air, then the refractive index of the medium is:
A
1.43
B
1.63
C
1.5
D
1.7
Answer
1.7
Explanation
Solution
The correct answer is option (D): 1.7