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Which of the following statements is true of general radiation? It is also known as braking
(bremsstrahlung) radiation &It is the source of the majority of x-rays that are produced.
Which of the following statements is true of the wave concept of electromagnetic radiation?
Frequency and wavelength are inversely related.
Which component of the tubehead aims and shapes the x-ray beam? Position-indicating
device
The fundamental unit of matter is the: Atom
Photons are: A component of the particle concept of electromagnetic radiation.
Approximately what percentage of the kinetic energy of the electrons is converted to x-rays at
the anode? Less than 1%
Which of the following statements is/are true of ionizing radiation? It is radiation that is
capable of producing ions by removing or adding an electron to an atom & It may be classified
as to whether it is particulate or electromagnetic radiation
Which transformer in the x-ray machine is used to increase the voltage from the incoming 110-
or 220-line voltage to the 65,000 to 100,000 volts required? Step-up transformer
Thermionic emission of electrons occurs at the: Tungsten filament in the cathode