Question

what is the Princepul of fiber optical cal communicationWh​

Answer 1

Explanation:

The optical fibre is a device which works on the principle of total internal reflection by which light signals can be transmitted from one place to another with a negligible loss of energy.

Answer 2

Answer:

The optical fibre is a device which works on the principle of total internal reflection by which light signals can be transmitted from one place to another with a negligible loss of energy.