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Author Question: The absorption lines in the visible portion of the spectrum of a star that are produced by hydrogen ... (Read 85 times)

washai

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on: Jul 27, 2018
The absorption lines in the visible portion of the spectrum of a star that are produced by hydrogen are from the
 
  a. Lyman series.
  b. Balmer series.
  c. Paschen series.
  d. isotopes of hydrogen.
  e. ions of hydrogen.

Question 2

There are _______ nanometers in one meter.
 
  a. 1  103
  b. 1  103
  c. 1  109
  d. 1  109
  e. 400


leahm14

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

b

Answer to Question 2

d


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