The ratio of the light-gathering power of Reflecting Telescope 1 ...

[mynx]

The ratio of the light-gathering power of Reflecting Telescope 1 with a primary mirror of diameter 1.6 m to Reflecting Telescope 2 with a primary mirror of diameter 0.008 m is ____.
 
  A) 40 to 1
  B) 400 to 1
  C) 4000 to 1
  D) 40,000 to 1

Question 2

Radio telescopes have poor resolving power because:
 
  A) they have the smallest diameters.
  B) they cannot measure wavelengths larger than 102 m.
  C) radio waves have long wavelengths.
  D) radio waves have small diffraction fringes.

[ecox1012]

Answer to Question 1

D

Answer to Question 2

C

[mynx]

Excellent

[ttt030911]

Thanks for the timely response, appreciate it