Question
Physics Question on Youngs double slit experiment
In Young's double slit experiment the Fringe width is 0.4 mm. if the whole apparatus is immeresed in water of refractive index 4 / 3 without changing its geometry the new Fringe width will be :
A
0.53mm
B
0.4 mm
C
0.3 mm
D
540 μm
Answer
0.3 mm
Explanation
Solution
The correct answer is (C): 0.3 mm