Specialist: nuclear and atomic physics

From the quiz on 28/4/15.

  1. What is the common name for deuterium oxide (D₂O), an isotopic compound commonly used as a moderator in nuclear reactors? Heavy water

  2. Which subatomic particle was discovered in 1897 as a result of English physicist J. J. Thomson’s pioneering study of cathode rays? Electron

  3. Which French physicist, who shared the 1903 Nobel Prize in Physics with Pierre and Marie Curie for his co-discovery of radioactivity, gives his name to the SI unit of radioactivity (equivalent to s⁻¹)? (Antoine-Henri) Becquerel

  4. The ionizing radiation known as an alpha particle, which consists of two protons and two neutrons, is identical to the nucleus of which chemical element? Helium

  5. What does the name of the physical theory QCD, which describes the action of the nuclear strong force, stand for? Quantum chromodynamics


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