Credit: Steve Jurvetson/CC-BY-2.0. The uses of electromagnetic waves, this section describes some of the qualities and uses of different waves on the electromagnetic spectrum. Interesting Facts about Radio Waves 10: a radio antenna. These include infra red radiation, light, ultraviolet and a number of other forms of radiation. What Are Radio Waves Used For? Radio is very widely used in modern … Above the radio spectrum, other forms of radiation can be found. The differing behaviours of different groups in the electromagnetic spectrum make them suitable for a range of uses. Waves; What Uses Do Gamma Rays Have? You need to have a radio antenna if you want to receive the radio signals in AM/FM radio stations. They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves, and received by a radio receiver connected to another antenna. Radio waves are a type of electromagnetic radiation.A radio wave has a much longer wavelength than does visible light.We use radio waves extensively for communications.. Radio waves have wavelengths as short as a few millimeters (tenths of inches) and as … Radio waves are one form of electromagnetic radiation. A radio wave is broadcast in different frequencies which can include FM radio waves that broadcast between 88 MHz and 108 MHz, and AM radio waves that broadcast between 550 kHz and 1600 kHz. Radio waves is a very large family of electromagnetic (EM) waves. Radio waves are used for communication such as television and radio. Radio Waves: A History, and Communication, Amplitude Modification (AM) and Frequency Modulation (FM) Edited by Jamie (ScienceAid Editor), Taylor (ScienceAid … Radio waves. They have the lowest frequency, and hence the longest wavelengths. Radio is the technology of signaling and communicating using radio waves. They are usually defined as EM waves with frequencies comprised between 3 kHz, and 300 GHz (though some definitions describe waves above 1 or 3 GHz as microwaves). Radio waves, in turn, are a type of electromagnetic wave - in other words, in principle similar to light waves. For GCSE physics revision. Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 0.04 inches (1 millimeter) to more than 62 miles (100 kilometers). A patient is injected with a nuclear isomer called technetium-99m, a radioactive tracer that emits gamma rays. Because the wavelengths of radio light are so large, a radio telescope must be physically larger than an optical telescope to be able to make images of comparable clarity. ... Like other electromagnetic waves, gamma rays can be emitted in different ranges. Radio waves. These waves help to transfer signals from broadcasting stations to televisions and radios, and they are also used to transmit signals for cellular phones. In reality, radio waves are actually electromagnetic waves that are created when a magnetic field is joined with an electric field. Radio telescopes are dishes made out of conducting metal that reflect radio waves to a focus point. As a diagnostic tool, gamma rays might be emitted on the same energy range as X-rays. Radio waves are often thought of as sound waves because they transmit sounds that can be heard. The lowest frequency portion of the electromagnetic spectrum is designated as “radio,” generally considered to have wavelengths within 1 millimeter to 100 kilometers or frequencies within 300 GHz to 3 kHz. Interesting Facts about Radio Waves 9: speed of radio waves. UK Secondary school physics, free downloadable teaching resource. Over the radio, you can hear your favorite songs and sing along when you’re stuck in traffic. As you might guess from the name, radar uses radio waves. Asked in Physics , Radio The permittivity as well as the permeability of an object is very important to notice when the radio waves pass an object. The differing behaviours of different groups in the electromagnetic spectrum make them suitable for a range of uses. Wi-fi uses radio waves that are routed through a wireless internet router using radio waves in frequencies between 2.4 and 5.8 GHz. Radio waves are used to receive and transmit signals between two objects. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz).