A Certain Astronomical Telescope Has a Diameter Of $5.60 \mathrm {~m}$

A certain astronomical telescope has a diameter of $5.60 \mathrm {~m}$ . What is the minimum angle of resolution for this telescope when it is forming images using light of wavelength $620 \mathrm {~nm}$ ?

A) $2.70 \times 10 ^ { - 7 } \mathrm { rad }$
B) $3.11 \times 10 ^ { - 7 } \mathrm { rad }$
C) $1.35 \times 10 ^ { - 7 } \mathrm { rad }$
D) $4.05 \times 10 ^ { - 7 } \mathrm { rad }$
E) $1.11 \times 10 ^ { - 7 } \mathrm { rad }$