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Author Question: The red laser beam from a helium-neon laser corresponds to a spectral line of A) helium. B) ... (Read 213 times)

jessicacav

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on: Jul 29, 2018
The red laser beam from a helium-neon laser corresponds to a spectral line of
 
  A) helium.
  B) neon.
  C) both of these
  D) neither of these

Question 2

A helium-neon laser beam in a vacuum is
 
  A) red.
  B) orange.
  C) white.
  D) invisible.
  E) none of the above


sierramartinez

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


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jessicacav

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Reply #2 on: Jul 29, 2018
Thanks


sierramartinez

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Reply #3 on: Jul 29, 2018
Welcome :)


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