Examlex
The Balmer Beta absorption line is a result of a transition of an electron in a hydrogen atomfrom:
Radiant Energy
Energy that travels by waves or particles, particularly electromagnetic radiation such as light or heat.
Radioactive
Capable of emitting radiant energy.
Positron Emission Tomography
A type of imaging test that uses a radioactive substance to look for disease in the body, particularly useful in detecting cancer.
Maturity
A state of full development.
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