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CAIE IGCSE Physics 2.3.3.1 Thermal Radiation Is Infrared Questions

Practise explaining infrared thermal radiation from hot emitters to absorbers and distinguishing it from conduction and convection with CAIE IGCSE Physics questions and mark schemes.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • Explain thermal radiation as infrared transfer from hot emitters to absorbers, distinguishing it from conduction and convection.

CAIE IGCSE Physics 2.3.3.1 Thermal Radiation Is Infrared Questions question 1

[Maximum number: 3]

Fig. 5.1 shows an aluminium block after leaving a furnace in a factory.

Fig. 5.1

Fig. 5.1

Fig. 5.1 shows a factory worker standing 3 m from the block.

State and explain the main process by which thermal energy is transferred to the worker.

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