Question : Which of the following is used for radio broadcasting?

Option 1: Satellites

Option 2: Optical fibers

Option 3: Radio waves

Option 4: Microwave towers

Question : Which of the following is a characteristic of radio communication? 

Option 1: High bandwidth

Option 2: Requires physical cables

Option 3: Susceptible to interference

Option 4: Secure communication

Question : Radar is used to

Option 1: locate submerged submarines

Option 2: receive signal from radio receivers.

Option 3: detect and locate distant objects.

Option 4: locate geostationary satellites.

Question : Geostationary satellites are primarily used for which type of communication?

Option 1: Mobile communication

Option 2: Television broadcasting

Option 3: GPS navigation

Option 4: Deep space communication 

Question : ________ are used for communication in artificial satellites.

Option 1: Infrared waves

Option 2: Radio waves

Option 3: Ultraviolet (UV) rays

Option 4: Amplitude Modulation (AM) waves