Suppose You Observe Nineteen Bright Fringes in the Central Maximum

Multiple Choice

Suppose you observe nineteen bright fringes in the central maximum of a double-slit interference pattern.If you know that the separation of the slits d = 0.06 mm,you can conclude that the width of each slit is

A) 0.048 mm
B) 0.024 mm
C) 0.003 mm
D) 0.006 mm
E) 0.012 mm