EMISSION WAVELENGTH Meaning and
Definition
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Emission wavelength refers to the specific wavelength of light or electromagnetic radiation emitted by a substance, material, or system. It is a measurable characteristic that indicates the particular energy level of photons emitted during a process of electronic transitions within atoms, molecules, or other particles.
When an atom or a molecule undergoes excitation, typically by absorbing energy, its electrons are promoted to higher energy levels. As these electrons return to their original energy states, they release the excess energy in the form of light. The emission wavelength corresponds to the specific energy difference between the excited and ground states, and it determines the color and characteristics of the emitted light.
This phenomenon is utilized in various scientific and technological applications. For instance, in spectroscopy, the measurement and analysis of emission wavelengths provide valuable information about the composition, structure, and properties of substances. In astronomy, the analysis of the emission wavelengths emitted by celestial bodies allows scientists to determine their chemical composition and physical conditions.
The emission wavelength is typically measured in units of length, such as nanometers (nm) or angstroms (Å), as light is a form of electromagnetic radiation with wave-like properties. The measurement can be performed using specialized devices like spectrometers or spectrophotometers, which separate and detect different wavelengths of light.
Understanding emission wavelengths is crucial for a range of disciplines, including physics, chemistry, materials science, and engineering, where the control and manipulation of light for various purposes are essential.
Common Misspellings for EMISSION WAVELENGTH
- wmission wavelength
- smission wavelength
- dmission wavelength
- rmission wavelength
- 4mission wavelength
- 3mission wavelength
- enission wavelength
- ekission wavelength
- ejission wavelength
- emussion wavelength
- emjssion wavelength
- emkssion wavelength
- emossion wavelength
- em9ssion wavelength
- em8ssion wavelength
- emiasion wavelength
- emizsion wavelength
- emixsion wavelength
- emidsion wavelength
- emiesion wavelength
Etymology of EMISSION WAVELENGTH
The word "emission" is derived from the Latin word "emissio", which means "a sending forth" or "a discharge". In the context of physics, emission refers to the process of releasing or giving off electromagnetic radiation, such as light.
"Wavelength" is a compound word combining "wave" and "length". The word "wave" comes from the Old English word "wafian", meaning "to fluctuate". It refers to the oscillation or undulation of a wave-like pattern. "Length" originates from the Middle English word "lengthe", derived from the Old English word "lang", meaning "long". It represents the extent or distance from one point to another.
Therefore, the phrase "emission wavelength" refers to the specific length or distance of the wave pattern emitted during the process of radiating electromagnetic radiation.
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