Author Question: What elementary particle has no charge, travels at or near the speed of light, and hardly ever ... (Read 67 times)

jlmhmf

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What elementary particle has no charge, travels at or near the speed of light, and hardly ever interacts with other particles?
 a. Positron
  b. Plasmon
  c. Deuteron
  d. Neutrino

Question 2

Who developed the quantum theory in 1900 and has a constant named for him?
 a. de Broglie
  b. Bohr
  c. Planck
  d. Einstein



peter

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Answer to Question 1

d

Answer to Question 2

c



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