Radiant meaning for kids11/28/2023 ![]() ![]() The term "radiant energy" also applies to gravitational radiation. In the past, the term "electro-radiant energy" has also been used. In modern applications involving transmission of power from one location to another, "radiant energy" is sometimes used to refer to the electromagnetic waves themselves, rather than their energy (a property of the waves). The term "radiant energy" is most commonly used in the fields of radiometry, solar energy, heating and lighting, but is also sometimes used in other fields (such as telecommunications). This radiation may be visible or invisible to the human eye. The term is used particularly when electromagnetic radiation is emitted by a source into the surrounding environment. In branches of physics other than radiometry, electromagnetic energy is referred to using E or W. The symbol Q e is often used throughout literature to denote radiant energy ("e" for "energetic", to avoid confusion with photometric quantities). The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time. In physics, and in particular as measured by radiometry, radiant energy is the energy of electromagnetic and gravitational radiation. PDF.Energy carried by electromagnetic or gravitational radiation Visible light such as sunlight carries radiant energy, which is used in solar power generation. Hardis, Jonathan E., " Visibility of Radiant Energy (.Caverly, Donald Philip, " Primer of electronics and radiant energy" New York, McGraw-Hill, 1952.Visible: Red | Orange | Yellow | Green | Blue | Indigo | Violet Radio waves | Microwave | Terahertz radiation | Infrared | Optical spectrum | Ultraviolet | X-ray | Gamma ray ( ) SI radiometry unitsĮLF | SLF | ULF/ VF | VLF | LF/ LW | MF/ MW | HF/ SW | VHF | UHF | SHF | EHFģ Hz | 30 Hz | 300 Hz | 3 kHz | 30 kHz | 300 kHz | 3 MHz | 30 MHz | 300 MHz | 3 GHz | 30 GHz | 300 GHz This class provides for all methods and apparatus for using, generating, controlling or detecting radiant energy, combinations including such methods or apparatus, subcombinations of same and accessories therefore not classifiable elsewhere by the patent office. The United States Patent Offices has a classification of radiant energy for patent applications (Class 250, a residual class for methods and apparatus involving radiant energy). placed a conductor, a wire or a coil, and then would get a note characteristics of the audible note". implest ways the low frequency gave audible notes. The device had its resonance tuned to a particular frequency of other repeaters to communicate between each. One of the earliest wireless telephones was based on radiant energy. It can be generated electrically by infrared lamps, or can be absorbed from sunlight and used to heat water. Radiant energy, as well as convective and conductive energy, is used for heating homes. Radiant energy produced in the sun is a result of nuclear fusion. In geophysics, transparent greenhouse gases trap the sun's radiant energy (at certain wavelengths), allowing it to penetrate deep into the atmosphere or all the way to the Earth's surface, where they are re-emitted as longer wavelength radiation (chiefly infrared radiation). Such an open system can be man-made (such as a solar energy collector), or natural. Radiant energy is one of the energy sources that can be used to power an open system. Radiant energy may originate in a body or be reflected from another body (in which case it may be refracted or otherwise modified). Such radiation bands may be sharply defined, as is seen in star spectra, or may be more diffuse.ĮM radiation has three principal components: wavelength and frequency, which are strictly inversely proportional, and intensity, which determines the amount of energy carried by the radiation. The radiation emitted by radiating bodies is concentrated in certain portions of the electromagnetic spectrum. Because elctromagnetic (EM) radiation can be considered as consisting of photons, radiant energy can be viewed as the energy carried by these photons. ![]()
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |