11. The lens of a telescope has a diameter of 5 m. Suppose two stars are 4 lightyears away Earn the telescope. What must be the minimum separation between the two stars for their images to be separately resolved using light of wavelength 550 nm? (1 light-year = 9.46 x 1015 m) (a) 0.416 x 109 m (b) 0.508 x 109 m (c) 4.160 x 109 m (d) 5.080 x 109 m