The distance of `n^(th)` minima from the centre of interference pattern is

In interference of light beta is band width. The distance of n^(th) minima from the centre of the interference pattern is

In interference of light, beta is fringe width. The distance of n^(th) maxima from the centre of interferene pattern is

The distance of the 10th dark band from the centre of interference pattern is 28.5 mm. the band width is

The distance of n^(th) bright fringe from the centre of the interference pattern is

In bipism experiment, the distance of 20^(th) bright band from the centre of the interference pattern is 8 mm. The distance of the 30^(th) bright band is