What is meant by neutrino oscillations?
a. oscillating movement of neutrinos
b. one neutrino type (e.g., muon neutrinos) changing into another (e.g., tau neutrinos)
c. random changes in mass of neutrinos
d. none of the above
[Ques. 2] Mesons are composed of three-quark combinations.
a. True
b. False
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[Ques. 3] In a particle reaction, the number of baryons going into the reaction must equal the number emerging from the reaction.
a. True
b. False
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[Ques. 4] The spin of elementary particles is quantized.
a. True
b. False
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[Ques. 5] An elementary particle has a measurable size.
a. True
b. False
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[Ques. 6] All neutrinos are left handed.
a. True
b. False
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[Ques. 7] Recent experiments suggest that the lifetime of the proton is over 1033 years, more than what is predicted by the simplest grand unified theories.
a. True
b. False
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[Ques. 8] According to the standard model of elementary particle physics, there are six flavors of quarks, each of which comes in three colors.
a. True
b. False
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[Ques. 9] The quark and antiquark in a meson are always of the same flavor.
a. True
b. False
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[Ques. 10] The color force is carried by gluons but gluons do not have color charge themselves.
a. True
b. False
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