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Author Question: Even relatively small astronomical telescopes are ordinarily not used for terrestrial observation ... (Read 81 times)

sabina

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on: Jul 28, 2018
Even relatively small astronomical telescopes are ordinarily not used for terrestrial observation because:
 a. their images are not in color.
  c. their images are too bright.
  b. their images are inverted. d. their images are too dim.

Question 2

A telescope has an objective lens with a focal length of 90 cm and an eyepiece of focal length 3.0 cm. What is the angular magnification of the telescope?
 a. 180
  c. 60
  b. 33
  d. 30


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k.lashomb

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


sabina

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Reply 2 on: Jul 28, 2018
:D TYSM

marict

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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