RAD 110 (Physics): Chapter 1

Matter

anything that occupies space and has mass

Atoms

Composes fundamental building blocks

weight

describes mass of an object- force of gravity on an object

gravity

attraction of objects and eaths core

Mass

quantity of matter as described by its energy equivalence

Kilogram

What is the SI Unite of Mass

Energy

ability to do work

Joule

What is the SI Unit of energy

Potential Energy

Ability to do work by virtue or position

Kinetic Energy

Energy of motion

chemical energy

energy released by chemical reaction

Biochemistry

chemical reactions in the body

Thermal Energy

Energy of motion at molecular level

Electrical Energy

Work when an electron moves through an electric potential difference (voltage)

Nuclear Energy

Energy contained in nuclei of an atom

Electromagnetic Radiation

Visible light (aka radiation)

Mass Formula

E-mc2

Radiation

energy emitted and transferred through space

Irradiated

matter that intercepts radiation and exposes part or all of it

Ionization

removal of an electron from an atom

unbiquitous background radiation

cosmic rays, terrestrial radiation, internally deposited radionuclides, and radon

mSv

SI unit of effective dose

Radon

radioactive gas that is produced by the radioactive decay of uranium

high voltage and an electric current

to provide and x-ray beam that is satisfactory for imaging, you must supply what?

Fluroscope

what was invented in 1898 by Thomas A Edison

Smook Transformer & Coolige x-ray tube

Radiology emerged as a medical speciality bc of what?

As Low As Reasonably Achievable

ALARA Stands for what?

Air Kerma (Gya)

SI unit of radiation exposure

Gray (Gyt)

SI unit of Radiation Absorbed Dose (rad)

Sievert

SI unit of occupational radiation exposure and effective dose

Becquerel

SI unit of Radioactivity