In double slite experiment if the transparent material of refractive index `mu` s introduced in between second slit and screen, the fringe widht on the screen moves

In young's double slit experiment, if the distance between the slits is halved and the distance between the slits and the screen is doubled, the fringe width becomes

In Young's double slit experiment,the sepaation between the slit is halved and distance between the slits and screen is doubled.The fringe width is

In Young's double slit experiment, the separation between the slits is halved and the distance between the slits and the screen is doubled. The fringe width is

In the Youngs double slit experiment, the separation between the slits is halved and the distance between the slits and the screen is doubled, the fringe width will be :

In yound's double slit experiment, the separation between the slits is halved and distance between the slits and screen is doubled. The figure width is