Question 6
(a) State the principle of operation of fibre optics.
(b) State two applications of fibre optics in medicine.
Observation
This question was unpopular among candidates. Many candidates did not opt for this but a few who did got the wrong response.
The expected answer is
(a) Principle of operation of fibre optics
Total internal reflection of light
(b) Applications of fibre optics in medicine
As:
- light guides
- imaging tools
- laser for surgery