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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 excitation of atomic electrons
the decay of unstable atomic nuclei
the splitting of heavy atomic nuclei
the merging of lightweight atomic nuclei
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What is released in significant quantities during nuclear fusion reactions?
protons
energy
electrons
neutrons
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What is the primary advantage of fusion power over fission power?
simpler confinement systems
lower energy output per unit mass
absence of radioactive waste
lower operating temperatures
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Which of the following is an abundant fuel source for fusion reactions?
hydrogen
uranium
plutonium
carbon
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What is the primary challenge in achieving a self-sustaining fusion reaction?
lack of available fuel sources
low energy output
insufficient understanding of plasma physics
extremely high temperature requirements
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What is the approximate temperature required for hydrogen isotope fusion?
100 million °C
1 million °C
10,000 °C
1,000 °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 absorption of neutrons by nuclei
the decay of unstable nuclei into stable ones
the merging of light nuclei into heavier ones
the splitting of heavy nuclei into lighter ones
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What state of matter is predominantly involved in fusion reactions?
gas
plasma
solid
liquid
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What is the main advantage of fusion power over fission power?
easier to achieve and maintain the required conditions
more readily available fuel sources
higher energy output per unit mass
lower energy output per unit mass
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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.
3.57 x 10-13 J
4.03 x 10-12 J
3.21 x 10-14 J
2.15 x 10-13 J
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