College Physics Reasoning and Relationships

Physics & Astronomy

Quiz 31 :

Physics in the 21st Century

Quiz 31 :

Physics in the 21st Century

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If a photon produces an electron-positron pair and one other particle, the other particle may be a(n):
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Answer:

A

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Which of the following particles is made of two smaller particles?
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D

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The Dirac theory predicted that a positron would be:
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A

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Baryons are composed of 3 quarks. If all 3-quark compositions of particles could happen, what would be the highest possible charge for such a particle?
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According to present theories, there is a neutrino for all the following particles except:
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A positron and an electron differ in:
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What following quantity is conserved in the following reaction: img ?
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If a K0 meson at rest decays in 0.90 1010 s, how far will a K0 meson moving at 0.95c travel through a bubble chamber? (c = 3.00 108 m/s)
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Which of the following is not a meson?
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Baryons are composed of _______ quarks, and mesons are composed of ________ quarks.
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If a muon at rest decays into an electron at rest according to img , what is the total energy of the neutrinos?
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A neutron and a proton have the same:
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The exchange of mediating photons can produce:
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A proton and antiproton each with total energy 800 GeV collide head-on. What is the total energy (particles + energy) released?
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Which particle in the free state is least stable?
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The size and sign of the charge on an electron is the same as that for:
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Which, if any, is an elementary particle, i.e., not composed of other particles?
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Which of the following is not conserved?
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"MeV/c2" is a unit for:
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Which of these particles has the least mass?
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