Question

What kind of fringes do you expect to observe if white light is used instead of monochromatic light ?

Answer 1

White light comprises of rushes of innumerable wavelengths beginning from violet to red shading. In this way on the off chance that monochromatic light in Young's impedance try is supplanted by white light, at that point the floods of every wavelength structure their different obstruction designs.

___hope it help ✌️

Answer 2

light fringe are observed if white light is used