Question

Choose the waves relevant to telecommunications.

• A. Ultra violet
• B. Visible rays
• C. Micro Waves
• D. Infra red

Answer 1

Answer:

C. Micro Waves

• 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.