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Author Question: A paint pigment that absorbs red light and gives off blue light A) is fluorescent. B) is ... (Read 95 times)

drink

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on: Jul 29, 2018
A paint pigment that absorbs red light and gives off blue light
 
  A) is fluorescent.
  B) is phosphorescent.
  C) is used in lasers.
  D) is polarized.
  E) doesn't exist.

Question 2

Astronomers can detect the spin rates of stars by
 
  A) their temperature.
  B) changes in temperature.
  C) absorption spectra.
  D) the Doppler effect.
  E) all of the above


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chjcharjto14

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

Answer: E

Answer to Question 2

Answer: D


drink

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

komodo7

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Reply 3 on: Yesterday
Gracias!

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