Science Quiz / HCMS Radiation and Spectroscopy

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Can you name the terms relating to radiation or spectroscopy?

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Defined as the absorption of one joule of radiation energy by one kilogram of matter, used as a measure of absorbed dose
Elastic scattering (ie kinetic energy is conserved) of light by particles much smaller than the wavelength of the light/why the sky is blue/why lasers work
Inelastic scattering (ie kinetic energy is not conserved) of a photon by a free charged particle (usually an electron) which results in a decrease in the energy of the photon
Minimum amount of energy required to remove an electron (to infinity) from the atom or molecule in the gaseous state
Tendency of an atom or functional group to attract electrons (or electron density) towards itself/affected by atomic number & distance of valence electrons from charged nucleus
Light scattering by particles in a colloid or particles in a fine suspension/particles roughly the same size as wavelength of light/why blue eyes are blue
Effect where metals emit electrons when light shines upon them/discovered in 1905 by Einstein though he won the Prize for it in 1921
Mediated by weak force/neutron is converted into a proton, an electron, and an electron antineutrino
Activity of a quantity of radioactive material in which one nucleus decays per second, equivalent to one inverse second
Measure of the health effect of low levels of ionizing radiation on the human body
Mediated by weak force/proton is converted into a neutron, a positron, and an electron neutrino
Low-energy limit of Compton scattering where particle KE & photon frequency are same before & after scattering/valid if photon energy is much much greater than particle mass energy
Emission of particle with mass of 4 amu, consisting of a helium nucleus
Electromagnetic radiation consisting of a photon with very high frequency and energy discovered by Villard in 1900

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Created Apr 7, 2016ReportNominate

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