Fringe width decrease with increase in

A:When the apparatus of YDSE is brought in a liquid from air, the fringe width decreases. R: The wavelength of light decreases in the liquid.

A:When the apparatus of YDSE is brought in a liquid from air, the fringe width decreases. R: The wavelength of light decreases in the liquid.

When a monochromatic light is passed around a file wire a diffraction pattern is observed. How the fringe width will change by increasing the diameter?

Fringe width is the distance between

When entire Young's double slit apparatus is immersed in a liquid the fringe width decreases by 20^(@) . The refractive index of the liquid is

When entire Young's double slit apparatus is immersed in a liquid the fringe width decreases by 20^(@) . The refractive index of the liquid is

What is the value of angular fringe width if fringe width is = 0.4 nm and separation between slit and screen is 2m.