Search results for "Electronvolt" - New World Encyclopedia

and the daughter atom is less than 1.022 mega electronvolt (MeV), positron emission is forbidden and electron capture is the sole decay mode. Consider ...

Gamma rays (γ rays) is the popular name applied to gamma radiation, the most energetic form of electromagnetic radiation and thus the electromagnetic ...

In physics, Compton scattering or the Compton effect is the decrease in energy (increase in wavelength) of an X-ray or gamma ray photon when ...

Hafnium (chemical symbol Hf, atomic number 72) is a lustrous, silvery gray metal. Chemically, it resembles zirconium and is found in zirconium ...

widely used except in the derived unit "electronvolt." This is quite surprising considering the wide use of this unit in the fields of physics ...

The Kelvin scale is a thermodynamic (absolute) temperature scale. The zero position on this scale is known as absolute zero, which is defined ...

with an indirect band gap (2.26 electronvolt). Sulfur or tellurium may be added as dopants to turn gallium phosphide into an n-type semiconductor; ...

Mass, in classical mechanics, is the measure of an object's resistance to change in motion, that is, its inertia, which is unchanging regardless ...

Tritium (chemical symbol Tritium or Hydrogen|3 ) is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes called a triton) contains ...

An aurora is a natural display of glowing light in the night sky, mainly in zones around the magnetic north and south poles of the Earth and ...

Nuclear fission is the splitting of the nucleus of an atom into parts (lighter nuclei), often producing photons (in the form of gamma rays), ...

In physics and chemistry, a plasma is one of the four principal states of matter. Plasma is typically an ionized gas, but it is usually considered ...

A semiconductor is a solid whose electrical conductivity can be controlled over a wide range, either permanently or dynamically. Semiconductors ...

|- | Electron affinity || -53 kJ/mol 702 | 1470 | 2850 135 183 156 color1=#ffc0c0 | color2=black no data 50.6 7440-26-8 isotopesof=technetium ...

In cosmology, the cosmic microwave background radiation CMB (also CMBR, CBR, MBR, and relic radiation) is a form of electromagnetic radiation ...

A star is a massive, luminous ball of plasma that is held together by its own gravity. The nearest star to Earth is the Sun, which is the source ...