Consider the following statements with reference to the Optical Fibre:
1. The optical fibre works on the principle of Total Internal Reflection (TIR).
2. Fiber-optic cable is also more susceptible to noise and electromagnetic interference than copper wire.
3. The process of connecting radio towers with each other via optical fibre cables is called fiberisation.
Which of the statements given above is/are not correct?
1
1 only
2
2 only
3
1 and 2
4
1, 2 and 3