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Rad Spring Final > Physics Unit 1 > Flashcards

Physics Unit 1 Flashcards

1
Q

What are the 3 fundamental particles of the atom

A

Neutron, electron, and proton

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2
Q

What is the max # of electrons permitted in the N-shell

A

32

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3
Q

Which electron shell is located closest to the nucleus

A

K-shell

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4
Q

How many electrons can the L-shell hold

A

8

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5
Q

The number of protons in the atoms nucleus is reflected in its

A

Atomic #

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6
Q

The # of protons and neutrons in the atoms nucleus is the

A

Atomic mass #

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7
Q

T/F The kinetic energy of a body turns into potential energy when the body is put into motion

A

False

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8
Q

T/F Energy cannot be created or destroyed but diverted into other forms of energy is know as the theory of relativity

A

False

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9
Q

Actual or potential ability to do work

A

Energy

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10
Q

Anything that occupies space and has form

A

Matter

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11
Q

Force x distance

A

Work

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12
Q

Energy in motion

A

Kinetic energy

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13
Q

Stored energy

A

Potential energy

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14
Q

Simple substance that cannot be broken down

A

Element

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15
Q

Complex substance made of 2 or more elements that are chemically United

A

Compound

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16
Q

Smallest particle of an element that still possesses the chemical properties of that element

A

Atom

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17
Q

When 2 or more substances are combined

A

Mixture

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18
Q

Energy

A

Joule

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19
Q

Mass

A

Kilogram

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20
Q

Velocity

A

Speed of light

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21
Q

Wavelength

A

Angstrom

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22
Q

Hertz

A

Frequency

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23
Q

When atoms of one element change to atoms of another element because of the loss of a proton is know as

A

Radioactive decay

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24
Q

The process of adding or removing an electron from an atom is known as

A

Ionization

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25
Q

When an atom has the same # of protons but different # of neutrons it is known as

A

Isotope

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26
Q

Elements on the periodic table are listed by their

A

Atomic #

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27
Q

Action of machines and physical movement

A

Mechanical

28
Q

Result of electric and magnetic disturbances in space

A

Electromagnetic

29
Q

Energy stored in the nucleus of an atom

A

Nuclear

30
Q

Results from the movement of electrons

A

Electrical

31
Q

Results of the motion of atoms and molecules

A

Heat (thermal)

32
Q

Energy released during a chemical reaction

A

Chemical

33
Q

What energy is plotted by wavelength and frequency

A

Electromagnetic

34
Q

Which of the following energies possesses the greatest energy

A

Gamma rays

35
Q

The behavior known was wave particle duality is described as

A

Radiation behaving as a wave and a particle at the same time

36
Q

The symbol for wavelength is

A

Lambda

37
Q

The length of wavelength that is important for diagnostic X-ray is the

A

Angstrom

38
Q

Cycles per second of a wavelength is measured by

A

Hertz

39
Q

Which of the following is the constant for electromagnetic radiation

A

Velocity

40
Q

X and gamma radiation can be described as having

A

Short wavelength and high frequency

41
Q

Which of the following equations can describe the relationship between photon energy and frequency

A

E=h y

42
Q

Which of the following is not a true statement concerning x-ray properties

A

Do not release heat upon passing through matter

43
Q

Which portion of the tube assembly contains a low negative potential

A

Focusing cup

44
Q

What is formed when electrons leave the surface of the filament

A

Thermionic cloud

45
Q

Which of the following elements of the anode/cathode assembly is made from thoriated tungsten

A

Filament

46
Q

This place limits the maximum range of mA, the x-ray tube is capable of producing

A

Space charge effect

47
Q

What is the term used when no more electrons are available to be boiled off because of the kVp

A

Saturation current

48
Q

Grid pulsed, grid, biased, or grid controlled tubes are used in all of the following except

A

Mammography

49
Q

The ___ acts as a thermal conductor within the x-ray tube assembly

A

Anode

50
Q

What portion is the only part of the tube assembly located outside of the envelope?

A

Stator

51
Q

Which of the following devices permits electrons to flow from the cathode to the anode, without external forces/interactions?

A

Vacuum sealed envelope

52
Q

Scatter/leakage radiation is limited to_____/hour

A

1 mSv

53
Q

Which chart is most important to the technologist?

A

Tube rating chart

54
Q

Which chart plots, MA, KV, and time

A

Tube rating chart

55
Q

Which of the following is not a target interaction in the x-ray tube

A

Coherent

56
Q

Which interaction has the highest incidence of occurrence

A

Heat

57
Q

Named for slowing or breaking

A

Brems

58
Q

Occur at KVP levels higher than 70

A

Characteristic

59
Q

Interacts with the force field of the nucleus

A

Brems

60
Q

Majority of the diagnostic beam

A

Brems

61
Q

Create multiple x-ray photons with each interaction

A

Characteristic

62
Q

Occurs between 80–100 KVP

A

Brems

63
Q

Increases skin dose

A

Characteristic

64
Q

During characteristic interaction, which shell is considered diagnostically useful

A

K

65
Q

At what KEV level is a characteristic peak seen

A

69 keV

66
Q

During an interaction, the loss of energy becomes a/an

A

X-ray photon

67
Q

The closer the interaction takes place to the nucleus, the____ the photon energy

A

Greater

Rad Spring Final (9 decks)

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