Light of Wavelength 540 Nm Is Incident on a Slit

Multiple Choice

Light of wavelength 540 nm is incident on a slit of width 0.150 mm,and a diffraction pattern is produced on a screen that is 3.00 m from the slit.What is the width of the central bright fringe? (1 nm = 10−⁹ m)

A) 1.44 cm
B) 0.720 cm
C) 2.16 cm
D) 1.76 cm