Physics Vocabulary Crossword

Emission or transmission of energy in the form of waves or particles through space or material
Reduction in intensity as an x-ray moves through matter
Three-dimensional representation of image information
Substance made up entirely of one kind of atom
Smallest unit of an element that retains the properties of that element
Energy deposited in matter by ionizing radiation per unit mass
The degree of darkening on an image
Source of microwave power for a Linac
Shapes the x-ray beam in its cross-sectional dimension
Monitors and samples the Linac beam for symmetry
The weight of a particle when it is not moving
Force responsible for the interaction between electrically charged particles
An electron has a _________ charge
The amount of energy required to remove an electron from an atom
The number of protons in the nucleus, Z
Elements that have the same number of Protons, but a different number of Neutrons
Discovered radioactivity in 1902
Time required for the activity of a radioisotope sample to decay to half of its initial value
Describes the relationship between intensity of a radiation beam and the distance from the source
Photons emitted as electrons are slowed down by the electric field near a nucleus
Interaction of photon with inner-shell electron
Interaction of photon with outer-shell electron
Scale of radiosensitivity on CT scans
Abbreviation for imaging devices mounted on a Linac
Conveys microwave power to the accelerator structure in the gantry
Replaces the flattening filter for electron treatments
The change in the apparent position of an object when viewed from different points
Three principles of radiation protection
Incorrect application of delivery of prescribed dose