[单选题]
A single slit, which is 0.050 m2c:;vp 1 ancvem wide, is illuminated by ligg) me 8*.ry n3hiof,ilht of 550 nm wavelength. What is the angular separation between the first two minima on eithegil)n. hroyme8fi * 3,r side of the central maximum?
A. $0.36^{\circ}$
B. $0.47^{\circ}$
C. $0.54^{\circ}$
D. $0.63^{\circ}$
