Energy from the Nucleus (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How much more energy do nuclear reactions release compared to chemical reactions?
How much more energy do nuclear reactions release compared to chemical reactions?
1-10 billion times greater
Which nucleus is the most stable with the highest binding energy per nucleon?
Which nucleus is the most stable with the highest binding energy per nucleon?
Iron-56
What is the approximate energy range of a thermal neutron?
What is the approximate energy range of a thermal neutron?
5-10 keV
How much energy is typically released in one fission of uranium-235?
How much energy is typically released in one fission of uranium-235?
Approximately 200 MeV
In a controlled fission reaction, how many neutrons per fission cause another fission?
In a controlled fission reaction, how many neutrons per fission cause another fission?
Exactly one neutron
What percentage of natural uranium ore is uranium-235?
What percentage of natural uranium ore is uranium-235?
0.65%
What enrichment level of U-235 is sufficient for nuclear power generation?
What enrichment level of U-235 is sufficient for nuclear power generation?
1-4%
What is the main function of a moderator in a nuclear reactor?
What is the main function of a moderator in a nuclear reactor?
Slow fast neutrons to thermal neutrons
Which materials are commonly used in control rods?
Which materials are commonly used in control rods?
Boron-10 and cadmium
What is the mass defect in nuclear fission?
What is the mass defect in nuclear fission?
Mass difference converted to energy