Fusion (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What happens during nuclear fusion?
What happens during nuclear fusion?
Two lighter nuclei combine to form heavier
What does higher binding energy per nucleon indicate about a nucleus?
What does higher binding energy per nucleon indicate about a nucleus?
Greater stability of the nucleus
What is the binding energy per nucleon of iron-56, the most stable nucleus?
What is the binding energy per nucleon of iron-56, the most stable nucleus?
Approximately MeV/nucleon
Where must reactant nuclei be on the binding energy curve for fusion to release energy?
Where must reactant nuclei be on the binding energy curve for fusion to release energy?
Left of iron-56
What is the binding energy per nucleon of tritium (H)?
What is the binding energy per nucleon of tritium (H)?
MeV/nucleon
How much energy is released in the deuterium-tritium fusion reaction?
How much energy is released in the deuterium-tritium fusion reaction?
Approximately MeV
What is the conversion factor between atomic mass units and energy?
What is the conversion factor between atomic mass units and energy?
MeV/u
What is the main challenge for achieving fusion on Earth?
What is the main challenge for achieving fusion on Earth?
Overcoming electrostatic repulsion
How close must nuclei approach for the strong nuclear force to bind them together?
How close must nuclei approach for the strong nuclear force to bind them together?
Approximately m
What is the typical temperature in the Sun's core where fusion occurs?
What is the typical temperature in the Sun's core where fusion occurs?
to million kelvin