The 2.4-m diameter Hubble space telescope has been placed into Earth orbit by the space shuttle. Assuming a wavelength of 710 nm, what angular resolution could this telescope achieve by Rayleigh's criterion? (1 nm = 10-9 m)
a. 5.7 10-6 rad
c. 3.6 10-7 rad
b. 7.5 10-6 rad
d. 2.5 10-7 rad
Question 2
If different filters are used with an astronomical telescope, which of the following would give the best resolution?
a. red
c. green
b. blue
d. All yield the same resolution.
