CAIE IGCSE Physics Research into Fusion Power
Practise recognising the extreme temperature and confinement challenges in research aimed at producing large-scale electrical energy from hydrogen fusion.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- identify the very high temperature required and the repulsion between positive hydrogen nuclei
1.7.3.6—Research is being carried out to question 1
[Maximum number: 1]
Research is being carried out to produce electrical energy from the fusion of hydrogen nuclei.
Which row shows two of the problems in designing a fusion reactor?
temperature
needed
why obtaining a high density
of hydrogen nuclei is difficult
very low
the nuclei are negatively charged
and repel each other
very low
the nuclei are positively charged
and repel each other
very high
the nuclei are negatively charged
and repel each other
very high
the nuclei are positively charged
and repel each other
D
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