Which parts of the electromagnetic spectrum are employed for communication between a remote controller and a television set, and between the Earth and a satellite?
- Aremote controller to TV set: infrared; the Earth to a satellite: microwave
- Bremote controller to TV set: infrared; the Earth to a satellite: ultraviolet
- Cremote controller to TV set: light; the Earth to a satellite: microwave
- Dremote controller to TV set: light; the Earth to a satellite: ultraviolet