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This quiz contains 13 questions from a mix of 1 subtopics.
What is the primary process involved in nuclear fusion?
the splitting of heavy atomic nuclei
the excitation of atomic electrons
the decay of unstable atomic nuclei
the merging of lightweight atomic nuclei
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What is released in significant quantities during nuclear fusion reactions?
energy
protons
neutrons
electrons
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What is the primary advantage of fusion power over fission power?
lower energy output per unit mass
simpler confinement systems
lower operating temperatures
absence of radioactive waste
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Which of the following is an abundant fuel source for fusion reactions?
plutonium
uranium
hydrogen
carbon
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What is the primary challenge in achieving a self-sustaining fusion reaction?
insufficient understanding of plasma physics
lack of available fuel sources
extremely high temperature requirements
low energy output
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What is the approximate temperature required for hydrogen isotope fusion?
100 million °C
1 million °C
1,000 °C
10,000 °C
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Fusion reactions release a large amount of simultaneously.
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High temperatures and pressures are essential to overcome the forces repelling the nuclei.
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What is the primary process occurring in nuclear fusion?
the merging of light nuclei into heavier ones
the splitting of heavy nuclei into lighter ones
the decay of unstable nuclei into stable ones
the absorption of neutrons by nuclei
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What state of matter is predominantly involved in fusion reactions?
solid
gas
liquid
plasma
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What is the main advantage of fusion power over fission power?
easier to achieve and maintain the required conditions
lower energy output per unit mass
higher energy output per unit mass
more readily available fuel sources
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Explain the key differences between nuclear fusion and nuclear fission in terms of the processes involved and the energy released.
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Calculate the energy released when two protons fuse to form a deuterium nucleus, positron, and neutrino. Assume the mass defect is 0.00239 u.
4.03 x 10-12 J
3.57 x 10-13 J
2.15 x 10-13 J
3.21 x 10-14 J
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