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General physics
Terms realting to physics that are not fit for other subcategories.
Industry: Physics
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General physics
Astronomical unit
Physics; General physics
The radius of the earth's orbit is defined as one astronomical unit (A.U.).
Atom
Physics; General physics
The smallest unit of an element that can exist alone or in combination with other elements.
Atomic weight
Physics; General physics
Weighted average of the masses of stable isotopes of an element as they occur in nature, based on the abundance of each isotope of the element and the atomic mass of the isotope compared to ...
Background radiation
Physics; General physics
Ionising radiation (alpha, beta, gamma, etc.) from natural sources.
Balanced forces
Physics; General physics
When a number of forces act on a body, and the resultant force is zero, then the forces are said to be resultant forces.
Balmer series
Physics; General physics
A set of four line spectra, narrow lines of colour emitted by hydrogen atom electrons as they drop from excited states to the ground state.
