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CAIE IGCSE Physics Electromagnetic Radiation Uses

Practise matching each electromagnetic region to communication, heating, imaging, security, sterilisation or medical applications and justify selected uses.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • match radio and microwaves to broadcasting, mobile, satellite, radar or RFID systems
  • match infrared, visible and ultraviolet to heating, imaging, controls, vision or security
  • describe X-ray or gamma use through penetration, absorption, imaging or cell destruction

3.3.3—EM spectrum uses: (a) radio waves question 1

[Maximum number: 2]

Electromagnetic waves have many uses.
On Fig. 5.1 draw one line from each use to the region of the electromagnetic (e-m) spectrum it uses.

Fig. 5.1

Fig. 5.1

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