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Author Question: The brightest star (apparent magnitude 1) in the night sky in the Northern Hemisphere is named a. ... (Read 41 times)

robinn137

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on: Jul 28, 2018
The brightest star (apparent magnitude 1) in the night sky in the Northern Hemisphere is named
 a. Polaris.
  b. Sirius.
  c. Deneb.
  d. Alpha Centauri.

Question 2

According to the hypothesis of de Broglie, any moving particle has
 a. energy.
  b. a magnetic force field.
  c. an electric force field.
  d. a wavelength.


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livaneabi

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

b

Answer to Question 2

d


robinn137

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Reply 2 on: Jul 28, 2018
Excellent

xiaomengxian

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

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