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 with its first order minimum m = 5 at 7.00° from zeroth order.At what angle does the order m = 18 occur?

A) 26.02°
B) 1.94°
C) 5.05°
D) 0.44°