In the young's arrangement, screen starts moving towards right with constant speed,v initial distance between screen and plane of slits is x. At t=0, 1st order maxima is lying at point A. After how much time first order minima lies at point A?

Options

A. `x/(2v)`
B. `x/v`
C. `x/(3v)`
D. `(2x)/(3v)`

Answer

B