In Young's double slit experiment the slit separation is d = 1 mm and the screen is at a distance D = 1m. Monochromatic light of wavelength `lambda = 5000A^@` is used. Then the distance of the third dark form the central bright fringe is

Options

A. 0.5 mm
B. 1.00 mm
C. 1.25 mm
D. 1.5 mm