A Single Slit Illuminated with a 500 Nm Light Gives

Multiple Choice

A single slit illuminated with a 500 nm light gives a diffraction pattern on a far screen. The 5th minimum occurs at 7.00° away from the central maximum. At what angle does the 18th minimum occur?

A) 26.0°
B) 1.94°
C) 5.05°
D) 0.44°