• Thumbnail for Thermal radiation
    Thermal radiation is electromagnetic radiation emitted by the thermal motion of particles in matter. Thermal radiation transmits as an electromagnetic...
    56 KB (7,056 words) - 13:49, 24 April 2024
  • Thumbnail for Black-body radiation
    Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted...
    72 KB (9,264 words) - 14:00, 13 March 2024
  • Thumbnail for Infrared
    Sun, some thermal radiation consists of infrared in the mid-infrared region, much longer than in sunlight. Black-body, or thermal, radiation is continuous:...
    81 KB (8,501 words) - 21:24, 15 May 2024
  • Thumbnail for Emissivity
    thermal radiation. Thermal radiation is electromagnetic radiation that most commonly includes both visible radiation (light) and infrared radiation,...
    40 KB (4,202 words) - 11:26, 1 May 2024
  • Thumbnail for Kirchhoff's law of thermal radiation
    In heat transfer, Kirchhoff's law of thermal radiation refers to wavelength-specific radiative emission and absorption by a material body in thermodynamic...
    20 KB (2,727 words) - 15:54, 20 November 2023
  • Thumbnail for Non-ionizing radiation
    ionizing radiation. It is still to be proven that non-thermal effects of radiation of much lower frequencies (microwave, millimetre and radiowave radiation) entail...
    22 KB (2,516 words) - 23:32, 16 May 2024
  • Thumbnail for Radiation
    submarines. Thermal radiation is a common synonym for infrared radiation emitted by objects at temperatures often encountered on Earth. Thermal radiation refers...
    47 KB (6,126 words) - 20:17, 11 April 2024
  • Thumbnail for Planck's law
    law (also Planck radiation law: 1305 ) describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium at a...
    140 KB (18,066 words) - 08:58, 4 May 2024
  • Thumbnail for Greenhouse effect
    Greenhouse effect (category Atmospheric radiation)
    objects with a temperature above absolute zero emit thermal radiation. The wavelengths of thermal radiation emitted by the Sun and Earth differ because their...
    84 KB (9,090 words) - 20:49, 8 May 2024
  • Thumbnail for Outgoing longwave radiation
    In climate science, longwave radiation (LWR) is electromagnetic thermal radiation emitted by Earth's surface, atmosphere, and clouds. It may also be referred...
    33 KB (3,783 words) - 09:35, 25 April 2024