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Electromagnetic Phenomena

Categorical breakdown of terms falling inder the category of Electromagnetic Phenomena. Sub categories will become more specific in nature to the terms listed for Electromagnetic Phenomena.

Sub-Categories

Terms

Alpha Particles - Positively charged particles composed of two protons and two NEUTRONS, i.e. equivalent to HELIUM nuc...

Background Radiation - Radiation from sources other than the source of interest. It is due to cosmic rays and natural radio...

Beta Particles - High energy POSITRONS or ELECTRONS ejected from a disintegrating atomic nucleus....

Color - The visually perceived property of objects created by absorption or reflection of specific wavelengt...

Cosmic Radiation - High-energy radiation or particles from extraterrestrial space that strike the earth, its atmosphere...

Darkness - The absence of light....

Dose-Response Relationship, Radiation - The relationship between the dose of administered radiation and the response of the organism or tiss...

Electric Capacitance - The ability of a substrate to retain an electrical charge....

Electric Conductivity - The ability of a substrate to allow the passage of ELECTRONS....

Electric Impedance - The resistance to the flow of either alternating or direct electrical current....

Electricity - The physical effects involving the presence of electric charges at rest and in motion....

Electromagnetic Fields - Fields representing the joint interplay of electric and magnetic forces....

Electromagnetic Fields - Fields representing the joint interplay of electric and magnetic forces....

Electromagnetic Phenomena - Characteristics of ELECTRICITY and magnetism such as charged particles and the properties and behavi...

Electrons - Stable elementary particles having the smallest known negative charge, present in all elements; also...

Fluorescence - The property of emitting radiation while being irradiated. The radiation emitted is usually of longe...

Gamma Rays - Penetrating, high-energy electromagnetic radiation emitted from atomic nuclei during NUCLEAR DECAY. ...

Glare - Relatively bright light, or the dazzling sensation of relatively bright light, which produces unplea...

High-Energy Shock Waves - High-amplitude compression waves, across which density, pressure, and particle velocity change drast...

Incandescence - Emission of LIGHT by a substance as its temperature is raised. It is sometimes called hot light in c...

Infrared Rays - That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer...

Light - That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range....

Luminescence - Emission of LIGHT when ELECTRONS return to the electronic ground state from an excited state and los...

Microwaves - That portion of the electromagnetic spectrum from the UHF (ultrahigh frequency) radio waves and exte...

Photons - Discrete concentrations of energy, apparently massless elementary particles, that move at the speed ...

Radiation - Emission or propagation of electromagnetic energy (waves/rays), or the waves/rays themselves; a stre...

Radiation Dosage - The amount of radiation energy that is deposited in a unit mass of material, such as tissues of plan...

Radiation Effects - The effects of ionizing and nonionizing radiation upon living organisms, organs and tissues, and the...

Radiation Tolerance - The ability of some cells or tissues to withstand ionizing radiation without serious injury. Toleran...

Radiation, Ionizing - Electromagnetic or corpuscular radiation capable of producing ions, directly or indirectly, in its p...

Radiation, Nonionizing - Electromagnetic radiation which does not produce ions in matter through which it passes. Its wavelen...

Radio Waves - Electromagnetic waves with frequencies between about 3 kilohertz (very low frequency - VLF) and 300,...

Solar Energy - Energy transmitted from the sun in the form of electromagnetic radiation....

Static Electricity - The accumulation of an electric charge on a object...

Sunlight - Irradiation directly from the sun....

Terahertz Radiation - Non-ionizing electromagnetic energy in the frequency range of 100 gigahertz to 10 terahertz which sp...

Ultraviolet Rays - That portion of the electromagnetic spectrum immediately below the visible range and extending into ...

X-Rays - Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excite...