Conservation of ____________ is observed in strong and electromagnetic interactions but not in weak interactions.
A) baryon number
B) lepton number
C) strangeness
D) charm
E) beauty
Correct Answer:
Verified
Q85: Which of the following are not relativistically
Q86: A quantum number for a quark is
A)strangeness.
B)beauty.
C)charm.
D)truth.
E)all
Q87: A particle that interacts via the strong
Q88: A spin 1/2 particle that does not
Q89: Which of the following is considered anitmatter?
A)u
B)e-
C)e+
D)d
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
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