| The laws list: W |
The laws list W
watt to Woodward-Hoffmann rules.
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W.
- watt; W (after J. Watt, 1736-1819)
-
- The derived
SI unit of
power, defined as a power of 1
J acting
over a period of 1
s; it
thus has units of
J/s.
-
- wave-particle duality
-
- The principle of quantum mechanics which
implies that light (and, indeed, all other subatomic particles) sometimes
act like a wave, and sometime act like a particle, depending on the
experiment you are performing. For instance, low frequency electromagnetic
radiation tends to act more like a wave than a particle; high frequency
electromagnetic radiation tends to act more like a particle than a wave.
-
- weak equivalence principle;
principle of uniqueness of freefall
-
- The idea within general relativity
that the worldline of a freefalling body is independent of its composition,
structure, or state. This principle, embraced by Newtonian mechanics and
gravitation when Newton set the inertial and gravitational masses equal to
each other. This principle is incorporated into a stronger version with the
equivalence principle.
-
- weber; Wb (after W. Weber, 1804-1891)
-
- The derived
SI unit of
magnetic flux equal to the flux that, linking a circuit of one turn,
produces in it an electromotive force of 1
V as it is
reduced to zero at a uniform rate in a period of 1
s; it
thus has units of
V
s.
-
- Weiss constant
-
- A characteristic constant dependent on the
material, used in calculating the susceptibility of paramagnetic materials.
-
- Wiedemann-Franz law
-
- The ratio of the thermal conductivity of
any pure metal to its electrical conductivity is approximately constant for
any given temperature. This law holds fairly well except at low
temperatures.
-
- Wien displacement law
-
- For a blackbody, the product of the
wavelength corresponding to the maximum radiancy and the thermodynamic
temperature is a
constant, the Wien displacement law constant. As a result, as the
temperature rises, the maximum of the radiant energy shifts toward the
shorter wavelength (higher frequency and energy) end of the spectrum.
-
- Wien's displacement law
constant, b
-
- The constant of the
Wien displacement law. It has the value 2.897 756 x 10-3
m
K.
-
- Woodward-Hoffmann rules
-
- Rules governing the formation of
products during certain types of organic reactions.
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