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Concerning characteristic radiation: a. It results in photons with a fixed energy, for a given material b. It mainly involves filament electrons dislodging L-shell electrons c. Photon energy is directly proportional to the tube voltage d. The rate of production of characteristic radiation is directly proportional to the filament voltage e. Atomic number influences photon energy of K-radiation |
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Answer» a. True. Characteristic radiation results in the end production of photons that have the same energy, constituting a line spectrum, i.e. the difference in binding energies between the two shells, which is constant for a given material. b. False. It mainly involves filament electrons dislodging K-shell electrons. c. False. The tube voltage and filament voltage increase the rate of production of photons, but do not influence the photon energy, which is dependent on the atomic number of the target material. d. True. e. True. An increase in atomic number results in an increase in the binding energy of electrons and hence K-radiation. |
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