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Rad 106 quiz 1

QuestionAnswer
Matter anything that occupies space and has mass
Kinetic energy is the energy of motion
Chemical energy is the energy released by a chemical reaction
Electrical energy represents the work that can be done when an electron moves through an electric potential difference (voltage)
Thermal energy (heat) is the energy of motion at the molecular level
Nuclear energy is the energy that is contained within the nucleus of an atom
The SI unit of energy is Joule
Ionization occurs when An electron is removed from an atom
The largest source of natural background radiation is Radon
X-rays are classified as Electromagnetic radiation
Who discovered x-rays? Wilhelm Roentgen
ALARA stands for As Low As Reasonably Achievable
Which device reduces patient exposure by absorbing low-energy x-rays? Filter
Velocity is defined as Distance ÷ time
Acceleration is Change in velocity over time
Newton’s First Law is also known as the law of Inertia
Momentum is equal to Mass × velocity
Newton’s third law of motion For every action, there is an equal and opposite reaction.
Thermal radiation is the transfer of heat by the emission of ___________ infrared radiation
Which units are considered base quantities? Mass, length, and time
What are the special quantities used in radiologic science? Exposure, dose, effective dose
Exposure is measured in units of ___________. grays
What heat transfer takes place when water is boiled? Convection
The first step to expressing a number in scientific notation is to __________________. write the number in decimal form
The SI unit of velocity is meters per second
Work is the product of ________________ and distance. forces
Created by: dani.vouga04
 

 



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