Question

How does an endoscope work?

Answer 1

1. An endoscope is an instrument used by doctors which has a bundle of optical fibres that are used to see inside a patient’s body.
2. Endoscopes work on the phenomenon of total internal reflection. The optical fibres are inserted into the body through mouth, nose or a special hole made in the body.
3. Even operations could be carried out with the endoscope cable which has the necessary instruments attached at their ends.