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Author Question: The ratio of the light-gathering power of Reflecting Telescope 1 with a primary mirror of diameter ... (Read 90 times)

mynx

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on: Jul 27, 2018
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.


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ecox1012

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


mynx

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Reply 2 on: Jul 27, 2018
Gracias!

pangili4

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Reply 3 on: Yesterday
:D TYSM

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