Radiation constant information

Radiation constant may refer to: The first and second radiation constants c1 and c2 – see Planck's Law The radiation density constant a – see Stefan–Boltzmann...

Stefan–Boltzmann constant". The NIST Reference on Constants, Units, and Uncertainty. NIST. 20 May 2019. Retrieved 2019-05-20. "2018 CODATA Value: first radiation constant"...

(roughly the distance from the Sun to the Earth). The solar constant includes radiation over the entire electromagnetic spectrum. It is measured by satellite...

1900 as a proportionality constant needed to explain experimental black-body radiation. Planck later referred to the constant as the "quantum of action"...

In physics, monochromatic radiation is electromagnetic radiation with a single constant frequency or wavelength. When that frequency is part of the visible...

thermal equilibrium (that is, at a constant temperature) emits electromagnetic black-body radiation. The radiation is emitted according to Planck's law...

in the definitions of the kelvin (K) and the gas constant, and in Planck's law of black-body radiation and Boltzmann's entropy formula, and is used in...

particle radiation consists of particles of non-zero rest energy, such as alpha radiation (α), beta radiation (β), proton radiation and neutron radiation acoustic...

The history of radiation protection begins at the turn of the 19th and 20th centuries with the realization that ionizing radiation from natural and artificial...

}T}}\right)-1}}} where: c1 = 2πhc2 is the first radiation constant c2 = hc/k is the second radiation constant and: M is the black body spectral radiant exitance...

Cherenkov radiation (/tʃəˈrɛŋkɒf/) (also known as Čerenkov or Cerenkov radiation) is electromagnetic radiation emitted when a charged particle (such as...

Stefan–Boltzmann constant. Solar radiation pressure is due to the Sun's radiation at closer distances, thus especially within the Solar System. (The radiation pressure...

Thermal radiation is electromagnetic radiation emitted by the thermal motion of particles in matter. Thermal radiation transmits as an electromagnetic...

Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight...

field radiation pattern may be represented graphically as a plot of one of a number of related variables, including; the field strength at a constant (large)...

Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind, that are captured by and held around a...

good approximation in the radiation zone as long as κL/M is approximately constant, which is often the case. The radiation zone is stable against formation...

Hawking radiation is the theoretical thermal black-body radiation released outside a black hole's event horizon. This is counterintuitive because once...

disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three...

Ionizing radiation (US) (or ionising radiation [UK]), including nuclear radiation, consists of subatomic particles or electromagnetic waves that have sufficient...

Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that are caused by being exposed...

ʃtʁaːlʊŋ] ; from German bremsen 'to brake', and Strahlung 'radiation') is electromagnetic radiation produced by the deceleration of a charged particle when...

In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and...

Radiation exposure is a measure of the ionization of air due to ionizing radiation from photons. It is defined as the electric charge freed by such radiation...