atomic mass unit
[noun] One atomic mass unit (amu or u) is defined as 1/12 the mass of the standard carbon-12 isotope, or 1.66 × 10-27 kg.
[noun] One atomic mass unit (amu or u) is defined as 1/12 the mass of the standard carbon-12 isotope, or 1.66 × 10-27 kg.
A negatively charged beam of particles (electrons) that are emitted from the negative terminal in a vacuum...