telescopes and resolving angles problem

[moonman]

Is it possible to determine the smallest angle that can be resolved with a telescope if the only information you're given is the telescope's aperture? If anyone can help me out I'd appreciate it.

[chroot]

http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/raylei.html

- Warren

[moonman]

thanks alot