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Author Question: If the half life for Radium-226 is 1600. years, how long is the quarter life? What will be an ... (Read 126 times)

daltonest1984

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on: Jul 27, 2018
If the half life for Radium-226 is 1600. years, how long is the quarter life?
 
  What will be an ideal response?

Question 2

Consider a particle composed of quarks.
 
  (a) The negative pion is composed of what combination of up and down quarks?
  (b) Is the negative pion a baryon or meson?
  (c) Is the negative pion a lepton or a hadron?


scrocafella

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

3200. years (quarter life is how long one waits for 1/4 to remain, so wait 2 half-lives)

Answer to Question 2

(a) d
(b) meson
(c) hadron


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daltonest1984

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Reply #2 on: Jul 27, 2018
TY


scrocafella

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Reply #3 on: Jul 27, 2018
You're welcome


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