CAIE IGCSE Physics 3.2.2.9 Use of Optical Fibres Particularly in Questions
Practise explaining how optical fibres guide light and why total internal reflection supports telecommunications signals.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- State that a scalar has magnitude only whereas a vector has both magnitude and direction.
- Classify common quantities such as speed, mass and energy against velocity, force and momentum.
- Justify a scalar or vector classification using the presence or absence of direction.
CAIE IGCSE Physics 3.2.2.9 Use of Optical Fibres Particularly in Questions question 1
Fig. 5.1 shows a ray of yellow light incident on a glass prism ABC .
Fig. 5.1
Internet data can be transferred using infrared waves in optical fibres.
State two advantages of using optical fibres to transmit data.
1
2
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