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Author Question: Consider a particle composed of quarks. (a) The negative pion is composed of what combination of up ... (Read 247 times)

ghost!

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on: Jul 29, 2018
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?
 
  What will be an ideal response?

Question 2

In order for a photon to eject an electron from a metal's surface in the photoelectric effect, the photon's
 
  A)
 
  frequency must be greater than a certain minimum value.
  B)
 
  speed must be greater than a certain minimum value.
  C)
 
  wavelength must be greater than a certain minimum value.
  D)
 
  momentum must be zero.


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SVictor

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

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

Answer to Question 2

A


ghost!

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

tranoy

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Reply 3 on: Yesterday
Excellent

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