Question:
Choose the waves relevant to telecommunications.
AUltra violet
BVisible rays
CMicro Waves
DInfra red
Answer:
C. Micro Waves
Explanation:
Radio waves, microwaves, infrared and visible light can all be used for communication.
Radio waves – are used to transmit television and radio programs.
Microwaves – are used to transmit satellite television and for mobile phones.
Infrared – is used to transmit information from remote controls.