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Radio waves are a type of electromagnetic radiation that can carry signals over long distances. In communication, radio waves are used to transmit information through radio and television broadcasts, cell phone calls, and Wi-Fi connections. They are also used in radar systems for navigation and in satellite communication for broadcasting and data transmission.

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What was the original name for radio that is now used for all forms of radio communication?

The original name for radio was "wireless telegraphy." This term referred to the transmission of telegraphic messages without the use of wires, utilizing electromagnetic waves instead. Over time, the term "radio" became more widely adopted to encompass all forms of radio communication, including voice, music, and data transmission. Today, "radio" broadly refers to all technologies that use electromagnetic waves for communication.


How were Maxwell's predictions confirmed by the experiments conducted by Hertz, and can you discuss how this confirmation impacted the understanding of electromagnetic waves?

Maxwell's predictions about electromagnetic waves were confirmed by Hertz through his experiments with radio waves. Hertz successfully demonstrated the existence of electromagnetic waves, as described by Maxwell's equations. This confirmation revolutionized the understanding of electromagnetic waves, as it provided concrete evidence for Maxwell's theoretical framework. It laid the foundation for the development of technologies such as radio communication and paved the way for further advancements in the field of electromagnetism.


Waves that dont require a medium are called?

Light waves and 'radio' waves (i.e. infra red, UV, xray, etc.) At one time it was thought they did have a medium. A sort of 'gelatin' that went throughout the universe. The called 'the ether'. You see the term used a lot in radio magazines of the 1910s and 1920s.


When were walkie talkies first used by civilians?

HiFirst walkie-talkies were used by radio enthusiasms shortly after Second World War.They were modifying available military equipment, to use for communication. After that, lorry and truck drivers started using CB radio, mobile units for communication.


Compare between tv and radio?

TV and radio are a electronic media .The two area of communication radio and TV have much in common Both use electromagnetic air waves to transmit their signals. radio gives you more room for imagination varying from person to person as beautifull ,color ,rage,losses.Tv shows you much more you can see.

Related Questions

Which kinds of electromagnetic waves are used for communication?

Electromagnetic waves used for communication include radio waves, microwaves, and light waves (in the form of lasers). These waves are commonly used in technologies such as radio communication, satellite communication, Wi-Fi, and fiber optic communication.


What is waves used for?

radio waves are used in tv communication, weather broadcasting


What waves are used in cell phones for communication?

Cell phones use radio waves for communication.


What are Electromagnetic waves used in broadcasting are called?

Electromagnetic waves used in broadcasting are called radio waves. They are used to transmit signals for radio, television, and communication systems.


Which type of electromagnetic waves is used MOSTLY in communication?

Radio waves are most commonly used in communication due to their ability to travel long distances and penetrate obstacles easily. They are used for various purposes such as radio broadcasting, cell phone signals, Wi-Fi networks, and satellite communication.


How are radio waves used for effective communication around the world?

Radio waves are used for effective communication around the world by transmitting information through radio frequency signals. These signals can travel long distances and penetrate obstacles, allowing for widespread communication. Radio technology relies on modulation techniques to encode information onto the radio waves, enabling communication between devices such as radios, cell phones, and satellites.


How are both radio waves and microwaves used for communication?

Radio waves and microwaves are both used for communication through technologies such as mobile phones, Wi-Fi routers, and satellites. Radio waves are commonly used for long-range communication, while microwaves are more often used for shorter-range communication and can carry higher data rates. Both types of waves are able to transmit information wirelessly by modulating their characteristics to encode data.


What are radio waves used for on Earth?

Radio waves are primarily used for communication, such as broadcasting radio and television signals, cellular phone communication, and WiFi technology. They are also used in radar systems for navigation and monitoring, as well as in medical imaging systems like MRI.


Electromagnetic waves with the longest wavelenght?

Radio waves have the longest wavelength among electromagnetic waves. They have wavelengths ranging from about 1 millimeter to over 100 kilometers. Radio waves are used for various communication technologies, including radio broadcasting and cellular networks.


What are waves that are used in television?

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.


Why is the ionosphere important for communication?

It is what radio waves bounce off of.


Which types of electromagnetic waves are used for radio communication?

Radio communication typically uses electromagnetic waves in the radio frequency range, specifically in the Very High Frequency (VHF) and Ultra High Frequency (UHF) bands. These waves have wavelengths that are suitable for transmitting signals over long distances and are commonly used for broadcasting, two-way radio communication, and cellular communications.