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General physics
Terms realting to physics that are not fit for other subcategories.
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General physics
De Broglie wavelength
Physics; General physics
A wavelength, given by λ = h / mv , which is associated with matter. Louis de Broglie proposed the idea that matter could be treated as waves in 1923 and applied this theory successfully to ...
decay constant
Physics; General physics
A constant, λ , not to be confused with wavelength, that defines the speed at which a radioactive element undergoes decay. The greater λ is, the faster the element decays.
deposition
Physics; General physics
The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
diffraction grating
Physics; General physics
A sheet, film, or screen with a pattern of equally spaced slits. Typically the width of the slits and space between them is chosen to generate a particular diffraction pattern.
direction
Physics; General physics
The property of a vector that distinguishes it from a scalar: while scalars have only a magnitude, vectors have both a magnitude and a direction. When graphing vectors in the xy -coordinate space, ...
directly proportional
Physics; General physics
Two quantities are directly proportional if an increase in one results in a proportional increase in the other, and a decrease in one results in a proportional decrease in the other. In a formula ...
Doppler shift
Physics; General physics
Waves produced by a source that is moving with respect to the observer will seem to have a higher frequency and smaller wavelength if the motion is towards the observer, and a lower frequency and ...
