Question

how optical fibre works

Answer 1

❎they help us to view the internal organelles through a phenomenon called total internal reflection✌✌

Answer 2

Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances. ... Cladding - Outer optical material surrounding the core that reflects the light back into the core.