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- Multiple ChoicePlease save your changes before editing any questions.
The electrostatic force of attraction that holds the negative electrons in their orbit
Binding Energy
Ionization Energy
Electromagnetic Radiation
Braking Radiation
- Multiple ChoicePlease save your changes before editing any questions.
The amount of energy required to remove an electron from its orbit
Ionization Energy
Binding Energy
Electromagnetic Radiation
Braking Radiation
- Multiple ChoicePlease save your changes before editing any questions.
The process by which radiation results in the formation of a negatively charged electron and a positively charged ion
Binding Energy
Braking Radiation
Characteristic Radiation
Ionization
- Multiple ChoicePlease save your changes before editing any questions.
The number of protons in the nucleus
Atomic number
Atomic mass number
- Multiple ChoicePlease save your changes before editing any questions.
The total number of protons and neutrons in the nucleus
Atomic number
Atomic mass number
- Multiple ChoicePlease save your changes before editing any questions.
Quantum theory treats electromagnetic radiation as
Photons
Waves
Particles
- Multiple ChoicePlease save your changes before editing any questions.
The wave theory treats electromagnetic radiation as
Photons
Waves
Particles
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Photons with shorter wavelengths have higher energy
True
False
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The energy of the photon and its wavelength are directly proportional
True
False
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Photons used in dental radiography have energies of
10 - 120 KeV
100 - 120 KeV
10 - 20 KeV
- Multiple ChoicePlease save your changes before editing any questions.
Characteristics of tungsten are ... (you can choose more than one answer)
high melting point
high atomic number
high vapour pressure
high thermal conductivity
- Multiple ChoicePlease save your changes before editing any questions.
The effective focal spot is smaller than the actual focal spot
True
False
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When electrons from the cathode travel close to the nucleus of the tungsten atom, which will either decelerate this electron or stop it.
Braking radiation
Characteristic radiation
- Multiple ChoicePlease save your changes before editing any questions.
When the cathode electron collides with the inner shell electron and ejects it causes ionization of the atom.
Braking radiation
Characteristic radiation
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When --- increases, the quality of the x-ray increases (you can choose more than one answer)
exposure time
tube current
tube voltage
target-patient distance
filtration
- Multiple ChoicePlease save your changes before editing any questions.
Milliamperage and exposure time are directly related
True
False
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The intensity of radiation is inversely proportional to the square of the distance from the source of radiation.
True
False
- Multiple ChoicePlease save your changes before editing any questions.
If the distance between the patient and the target is increased to double, the intensity of the radiation will be...
double the original intensity
half the original intensity
quarter the original intensity
4 times the original intensity