ConceptConceptDocsDocuments

CAIE IGCSE Physics 6.2.1 The Sun as a star Question Bank

Practise classifying the Sun as a medium-sized star and linking its radiation and energy output to nuclear fusion of hydrogen.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • choose the Sun's main composition and medium-sized star classification from answer options
  • state that stars are powered by nuclear fusion of hydrogen nuclei to form helium
  • interpret spectrum or pie-chart data for the Sun's infrared, visible and ultraviolet output

Covered syllabus points

6.2.1.1—Sun is a star of medium size6.2.1.2—Stars are powered by nuclear reactions

6.2.1 The Sun as a star question 1

[Maximum number: 2]

The Sun is a medium-sized star powered by nuclear fusion reactions which release energy.

State two regions of the electromagnetic spectrum by which the Sun radiates most of its energy.

6.2.1 The Sun as a star question 2

[Maximum number: 2]

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

Fig. 3.1

Fig. 3.1

Describe what happens in this process.

All question bank results loaded