Electromagnetic radiation is transmitted in waves or particles at different wavelengths and frequencies this broad range of wavelengths is known as the electromagnetic spectrum. The electromagnetic spectrum the electromagnetic (em) spectrum is the range of all types of em radiation radiation is energy that travels and spreads out as it goes – the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation. Electromagnetic radiation: visible radiation visible light is the most familiar form of electromagnetic radiation and makes up that portion of the spectrum to which the eye is sensitive this span is very narrow the frequencies of violet light are only about twice those of red. Electromagnetic radiation consists of waves of electric and magnetic energy moving together (ie, radiating) through space at the speed of light taken together, all forms of electromagnetic energy are referred to as the electromagnetic spectrum radio waves and microwaves emitted by transmitting antennas are one form of electromagnetic energy.
It implied a need for environmental risk assessment caused by electromagnetic radiation from phones and cell phone towers, so that strategies can be devised to check electromagnetic pollution in the natural environment. Electromagnetic spectrum definition is - the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light. Dictionary of military and associated terms (000 / 0 votes) rate this definition: control of electromagnetic radiation a national operation plan to minimize the use of electromagnetic radiation in the united states and its possessions and the panama. Light, microwaves, x-rays, and cell phone transmissions are all examples of electromagnetic radiation read more about this fascinating, mostly invisible phenomenon that has been harnessed by.
Electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target type of: energy, free energy (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work the units of energy are joules or ergs. Electromagnetic energy is a form of energy that can be reflected or emitted from objects through electrical or magnetic waves traveling through space electromagnetic energy comes in many examples including gamma rays, x-rays, ultraviolet radiation, visible light, microwaves, radio waves and. Electromagnetic radiation energy in the form of transverse waves it travels through free space at close to the speed of light, c300,000km (186,000mi)/sec in general, electromagnetic waves are set up by electrical and magnetic vibrations that occur universally in atoms. Should that object possess an asymmetrical electric charge (where one side has slightly more charge than the other), its spin could emit electromagnetic radiation in the form of microwaves — shannon hall, scientific american, glittering diamond dust in space might solve a 20-year-old mystery. The electromagnetic radiation that would be radiated from an ideal black body the distribution of energy in the radiated spectrum of a black body depends only on temperature and is determined by planck's radiation law.
The electromagnetic radiation spectrum is the complete range of the wavelengths of electromagnetic radiation, beginning with the longest radio waves (including those in the audio range) and extending through visible light (a very small part of the spectrum) all the way to the extremely short gamma. The electromagnetic (em) spectrum encompasses all wave frequencies, including radio, visible light and x-rays all em waves are made up of photons that travel through space until they interact with matter some waves are absorbed and others are reflected. Freebase (000 / 0 votes) rate this definition: electromagnetic radiation electromagnetic radiation is a form of energy emitted and absorbed by charged particles which exhibits wave-like behavior as it travels through space. Electromagnetic radiation can also be conceived of as streams of particles known as photons the photon is the quantum (the smallest possible unit) of electromagnetic radiation. The sun (2012) these are a form of electromagnetic radiation, emitted by all people and objects that lie between the infrared and microwave parts of the spectrum times, sunday times ( 2008 ) trends of 'electromagnetic radiation.
Definition of electromagnetic_spectrum for convenience in talking about electromagnetic radiation, we classify photons of different energies into different spectral regions the photons in all of these regions have the same electromagnetic nature, but because of their very different energies they interact with matter very differently. The electromagnetic spectrum encompasses both natural and human-made sources of electromagnetic fields frequency and wavelength characterise an electromagnetic field in an electromagnetic wave, these two characteristics are directly related to each other: the higher the frequency the shorter the wavelength. Classically, electromagnetic radiation consists of electromagnetic waves, which are synchronized oscillations of electric and magnetic fields that propagate at the speed of light, which, in a vacuum, is commonly denoted c.
Definition: electromagnetic waves or em waves are waves that are created as a result of vibrations between an electric field and a magnetic field in other words, em waves are composed of oscillating magnetic and electric fields. Radiation [ra″de-a´shun] 1 a proceeding outward from a common center 2 a structure made up of parts that go outward from a center, especially a tract of the central nervous system made up of fibers that go out in different dfirections 3 energy carried by waves or a stream of particles one type is electromagnetic radiation, which consists of. Electromagnetic radiation, energy energy, in physics, the ability or capacity to do work or to produce change forms of energy include heat, light, sound, electricity, and chemical energy. While the specific chronic radiation exposure limits need more definition, the best course of action and the one recommended by experts is to avoid extra doses of electromagnetic radiation whenever you can.
Definition of radiation: direct transmission of heat or electromagnetic energy through space or another medium it is the 'non-ionizing' type of radiation that does not affect chemical bonds and thus is usually harmless. Electromagnetic radiation is energy in the form of a self-propagating wave consisting of oscillating electric and magnetic fields having a particle as well as a wave-like nature, electromagnetic radiation can also be considered to be energy carried by photons.