General physics

General physics

Terms realting to physics that are not fit for other subcategories.

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General physics

traveling waves

Physics; General physics

A wave with wave crests that propagate down the length of the medium, in contrast to stationary standing waves. The velocity at which a crest propagates is called the wave speed.

uncertainty principle

Physics; General physics

A principle derived by Werner Heisenberg in 1927 that tells us that we can never know both the position and the momentum of a particle at any given time.

unit vector

Physics; General physics

A unit vector is a vector with length 1.

universal gas constant

Physics; General physics

Represented by R = 8.31 J/mol • K, the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.

A vector quantity, or vector, is an object possessing, and fully described by, a magnitude and a direction. Graphically a vector is depicted as an arrow with its magnitude given by the length of the ...

vertex

Physics; General physics

The center of a mirror or lens.

wave speed

Physics; General physics

The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.