Structure of Matter
These little particles have a negative charge of 1.602 x 10-19 Coulombs.
What is an electron?
The specific activity is the amount of activity per unit what?
What is mass?
(Ci/g or Bq/kg)
The peaks of a photo-spectrum correspond to these types of x-rays.
What are characteristic x-rays?
The source of electrons in a linear accelerator is typically through this type of heated filament.
What is a heated cathode filament?
An old unit for interaction cross-section.
Close these doors unless you want to animals to escape!
What is a barn?
Isobars are atoms with the same number of nucleons but a different number of these.
What are protons?
Exogenic reaction is when a nuclear reaction releases what?
What is release energy?
Contaminating electrons from electron scattering foils can increase the dose to this part of the patient.
What is the skin (dose)?
After electrons travel through bending or focusing magnets, they encounter this 'bullseye' to generate photons.
What is the (Tungsten) target?
He devised the electrostatic accelerator.
Van de who?
Who is Van de Graaff?
An isomer represents identical atoms, except they have a different state of what?
What are energy states.
These particles are very fast, light, difficult to detect, and released during beta decay.
What are neutrinos and anti-neutrinos?
With the voltage fixed the simplest way to increase the output of in an x-ray tube is to increase this.
What is the current?
By removing this, you can dramatically increase the dose rate of a photon beam.
What is the flattening filter?
The lead scientist working in Saskatchewan, he (along with competitors in Texas) invented the Cobalt 'Bomb.'
Who is Harold Johns?
This guy's number has a value of 6.0221 x 1023.
Who is Avogrado?
Photon disintegration is when a high-energy photon interacts with an atomic nucleus, changes the nuclear composition while releasing what?
What is a neutron?
Voltage rectification is used to reduce small rapid variations in voltage, also known as this.
What is voltage ripple?
Of either radiologic or geometric penumbra, this is the one that depends on the size of the source.
What is the geometric penumbra?
This unit of radioactivity is named after this multiple Nobel prize winner.
What is a Curie?
Gravitons are to gravity as what is to electromagnetism?
What are photons?
What is Fission?
About 1% percent of the energy delivered to the anode is not converted to heat but this breaking radiation.
What is brehmmstrahlung?
Protons have this unique property in their depth dose curve.
They don't need to be obnoxious about it.
What is a Bragg peak?
The unit of energy, defined as kg.m/s2
What is a Joule?