contestada

The aperture diameter of a telescope is 5 m. The separation between the moon and the earth is 4 x 10⁵ km. With light of wavelength of 5500 A, the minimum separation between objects on the surface of moon, so that they are just resolved, is close to?
A. 20 m
B. 60 m
C. 600 m
D. 200 m