Question:

In a standard Young's double-slit experiment, a thin layer of air of thickness tz is enclosed in a hollow squarish transparent c

In a standard Young's double-slit experiment, a thin layer of air of thickness tz is enclosed in a hollow squarish transparent container of wall thickness ty
as shown in figure.
a
0
| |
ti
ty
When it is placed in front of one slit, causes the shifting of central maxima by 4 fringe width, and when the entire setup is immersed in a liquid then it is
observed that the central maxima is restored to the original position. Find the side length of container in um.
Wavelength of light in air = 500 nm, Refractive index of container = 1.5, Refractive index of liquid = 1.4]
=

In a standard Young's double-slit experiment, a thin layer of air of thickness tz is enclosed in a hollow squarish transparent container of wall thickness ty as shown in figure. a 0 | | ti ty When it is placed in front of one slit, causes the shifting of central maxima by 4 fringe width, and when the entire setup is immersed in a liquid then it is observed that the central maxima is restored to the original position. Find the side length of container in um. Wavelength of light in air = 500 nm, Refractive index of container = 1.5, Refractive index of liquid = 1.4] =