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Author Question: If a star has a parallax of 0.02 seconds of arc, then its distance is a. 20 pc. b. 50 pc. c. 2 ... (Read 37 times)

Jramos095

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on: Jul 27, 2018
If a star has a parallax of 0.02 seconds of arc, then its distance is
 
  a. 20 pc.
  b. 50 pc.
  c. 2 pc.
  d. 5 pc.
  e. 500 pc.

Question 2

Blue light differs from red light in that
 
  a. blue light has a higher energy than red light.
  b. blue light has a lower energy than red light.
  c. blue light has a shorter wavelength than red light.
  d. blue light has a longer wavelength than red light.
  e. More than one of the other choices are correct.


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javimendoza7

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

b

Answer to Question 2

e


Jramos095

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Reply 2 on: Jul 27, 2018
Gracias!

pratush dev

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Reply 3 on: Yesterday
Excellent

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