In which transmission medium the data transmits in the form of light waves?(a) Copper wire(b) Coaxial Cables(c) Telephone lines(d) Optical Fibre Cable

In which transmission medium the data transmits in the form of light w

1.	In which transmission medium the data transmits in the form of light waves?(a) Copper wire(b) Coaxial Cables(c) Telephone lines(d) Optical Fibre Cable
Answer» correct option is (b) Coaxial Cables