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Manpreet's Stack

Radiographic Physics RAD 106

QuestionAnswer
What is the largest source of natural environmental radiation? Radon
___________energy is the energy of motion at the molecular level? Thermal Energy
What is electromagnetic energy? Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum.
The removal of an electron from an atom is called ______ ? Ionization.
In the United States, we are exposed to 0-5 mSv/year of ionizing radiation from the _________? Natural environment.
_____ , ______ and _______ are considered base quantities? Mass, length, and time
What are special quantities used in radiologic science? Exposure, dose, effective dose
Newton's first Law ? Law of inertia - A body at rest will remain at rest and a body in motion will continue in motion with constant velocity unless acted on by an external force.
Newton's second Law? Law of Acceleration - The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Formula - Force = MA
Newtons third Law? Law of reaction - For every action, there is an equal and opposite reaction.
Units of velocity in SI are _________? meters per second (m/s).
Exposure is measured in units of _______? Gray
The least penetrating form of ionizing radiation? alpha particle
What is isotope ? Atoms that have the same atomic number but different atomic mass numbers are isotopes.
What is half life ? The radioactive half-life of a radioisotope is the time required for a quantity of radioactivity to be reduced to one-half its original value.
________ is the shell number of an atom ? principal quantum number
Fundamental particles of an atom _____ , ________ and ________? Proton, electron and neutron
Created by: Mann gill
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