Compton
The amount of energy needed to "knock" out an electron out of orbit needs to be more than this type of energy
Spatial Coherence is determined by
What is collimation
Interaction between a photon and a electron produce this kind of object
What is a photoelectron?
MEV is a multiples of what unit
What is the electron volt unit
columniation
What is how to reduce scatter
In the Compton effect, ejected electrons leave the atom with this kind of energy equivalent of
What is energy excess imparted by the photon?
What event in the 1960's made coherent optical radiation a useful tool in imaging
The invention of the laser
Photoelectric interactions affect this part of the radiograph the most
What is contrast?
What does MEV stand for?
What is million electron Volts; Megaelectron Volt
What are factors in creating scatter?
What is Thickness, physical density and pathology
What is a recoil electron?
High brilliance and small source size give what kind of x-ray beam and spatial resolution?
A beam of reasonable intensity and macroscopic spatial resolution
There are more incidents of photoelectric incidents when this factor is at a certain level
What is low kVp?
Photons emitted from this kind of ionization is labeled as MeV
What is radioactive decay?
This type of interaction produces stronger photons when they interact with the Nucleus of an atom
What is Bremsstrahlung?
What is the energy and the wavelength of the ejected photon?
Less energy, longer wavelength
The part of the beam that is not coherent?
What is the x-ray beam
increasing the light amplitude
Current is increased
A lead shield placed on the exam table behind a patient positioned on their left lateral side.
What is a Lateral T-spine exam
0 degrees to 180 degrees
Monochromaticity determines this type of coherence
What is Temporal coherence?
The sum of the metal's work function and the photoelectron kinetic energy
what is the energy of the incident photon
In Physics the electronvolt is a unit of energy, What is its numerical sum in Joules?
1.602176634x10^-19
The main interaction of x-rays
What is Compton scatter