Search results
- Dictionaryphosphorescence/ˌfɒsfəˈrɛsns/
noun
- 1. light emitted by a substance without combustion or perceptible heat: "the stones overhead gleamed with phosphorescence"
Powered by Oxford Dictionaries
Phosphorescence is a type of photoluminescence related to fluorescence. When exposed to light (radiation) of a shorter wavelength, a phosphorescent substance will glow, absorbing the light and reemitting it at a longer wavelength.
Apr 14, 2020 · Phosphorescence is light released by matter after exposure to electromagnetic radiation, usually ultraviolet light. The energy source kicks an electron of an atom from a lower energy state into an “excited” higher energy state; then the electron releases the energy in the form of visible light ( luminescence ) when it falls back to a lower ...
May 10, 2022 · Phosphorescence is a radiative transition process in which light is emitted from T 1 (excited triplet state) to S o (ground singlet state) with a change in spin multiplicity. When certain substances are exposed to light, they stop emitting light instantly after the light source is cut off.
The meaning of PHOSPHORESCENCE is luminescence that is caused by the absorption of radiations (such as light or electrons) and continues for a noticeable time after these radiations have stopped.
Jan 11, 2020 · Phosphorescence is luminescence that occurs when energy is supplied by electromagnetic radiation, usually ultraviolet light.
PHOSPHORESCENCE definition: 1. a kind of weak light that is created in the dark without noticeable heat: 2. a kind of weak…. Learn more.
Phosphorescence, emission of light from a substance exposed to radiation and persisting as an afterglow after the exciting radiation has been removed. Unlike fluorescence, in which the absorbed light is spontaneously emitted about 10-8 second after excitation, phosphorescence requires additional.
Apr 16, 2022 · Unlike florescence, phosphorescence does not re-emit the light immediately. Instead, phosphorescence releases light very slowly in the dark due to its energy transition state. When light such as ultraviolet light is shined upon a glow in dark object, the object emits light, creating phosphorescence.
Phosphorescence definition: the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.. See examples of PHOSPHORESCENCE used in a sentence.
PHOSPHORESCENCE meaning: 1. a kind of weak light that is created in the dark without noticeable heat: 2. a kind of weak…. Learn more.
