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energy level
(redirected from Atomic energy level)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
energy level
n. In both senses also called energy state.
1. The energy characteristic of a stationary state of a physical system, especially a quantum mechanical system.
2. The stationary state of a quantum mechanical system.

energy level
n Physics
1. (Physics / General Physics) a constant value of energy in the distribution of energies among a number of atomic particles
2. (Physics / General Physics) the energy of a quantum state of a system. The terms energy level and energy state are often used loosely to mean quantum state. This is avoided in precise communication

energy level
One of a set of states of a physical system associated with a range of energies. Electrons in an atom, for example, can shift between the different energy levels corresponding to orbitals in different shells. Also called energy state.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.energy level - a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules; "according to quantum theory only certain energy levels are possible"
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; "energy can take a wide variety of forms"


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This process results in shifts of the atomic energy levels, which, in turn, affect the frequencies of light that are emitted and absorbed in experiments.
In other words, the act of observing an atom to determine its state can interfere with quantum jumps between atomic energy levels.
During the descent, scientists can probe the freely falling atoms with microwaves, obtaining extremely precise measurements of transitions from one atomic energy level to another.
 
 
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