The positron
A) is an antielectron.
B) was the first antimatter particle discovered.
C) is the same as a proton.
D) all of the above
Correct Answer:
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Q91: The fundamental particles that are the building
Q92: Mesons are composed of
A)antiquarks.
B)quark-antiquark pairs.
C)quarks.
D)three-quark combinations.
Q93: Quarks come in what flavors?
A)up,down and strange
B)charm,top
Q94: A force-carrying particle is a(n)
A)lepton.
B)baryon.
C)meson.
D)intermediate (or gauge)boson.
E)hadron.
Q95: Why do strange particles have long lifetimes
Q97: Which of the following particle is unaffected
Q98: Which of the following is not a
Q99: The spins of all known particles are
Q100: Quarks are bound together in hadrons by
A)the
Q101: When it comes near a heavy nucleus,a
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