In a Young’s double slit experiment, the distance of screen from slits is 2 m. The fringe width is 0.5 mm. If a thin glass plate of thickness 0.05 mm and `n = 1.5` is placed over one of the slits, then the lateral displacement of fringes will be `(lambda= 6000 overset@A)`

Options

A. 20.8 mm
B. 18.2 cm
C. 20.8 cm
D. 20.8 m.