Question

which of the following is used for wireless communication
a. Optical Fibre
b. twisted pair cable
c. radio waves
d. coaxial cable​

Answer 1

Explanation:

which of the following is used for wireless communication

a. Optical Fibre

b. twisted pair cable

c. radio waves

d. coaxial cable

Correct answer:C Radio Waves

Answer 2

C.) Radio waves

Radio wave is used for wireless communication.

• Radio wave is a type of electromagnetic radiation.
• The wave length in electromagnetic spectrum longer than the infrared radiation.
• Radio waves are the electromagnetic radiation works by transmitting and receiving electromagnetic waves.

Optical Fibre:-

• Optical Fibre is long, flexible and transparent fibre made up of plastic or silica.
• It helps in transmitting light from one end to another.
• Optical fibre works on the principal of total internal reflection.

Coaxial cables are the means of wired communication.

Twisted Pair cables are also the means of wired communication.