CAIE IGCSE Physics Nuclear Fusion in the Sun

Practise identifying nuclear fusion as the process that releases the Sun's energy and distinguish it from fission, combustion and radioactive decay.

Exam points

select or state nuclear fusion as the process releasing energy in the Sun's core
reject nuclear fission, radioactive decay and chemical combustion as the Sun's source

[Maximum number: 1]

Fig. 3.1 shows solar cells that use radiation from the Sun to generate electrical power.

Fig. 3.1

State the name of the process which releases energy in the Sun.

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