5. Radiation Flashcards

1
Q

is energy that comes from a source and travels through some material or through space

A

Radiation

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2
Q

Energy emitted and transferred through space

A

Radiation

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3
Q

The transfer of energy

A

Radiation

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4
Q

2 types of radiation

A

Non-ionizing radiation,

Ionizing radiation

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5
Q

Capable of removing an electron from an atom

A

Ionizing Radiation

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6
Q

2 Sources of Ionizing Radiation

A

Natural Environmental Radiation,

Man-made Radiation

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7
Q

annual dose of Natural Environmental Radiation

A

approximately 300 millirem (mrem) (3 millisievert [mSv])

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8
Q

Examples of Natural Environmental Radiation

A

Cosmic rays, terrestrial radiation, internally deposited radionuclides

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9
Q

Annual dose of Man-made Radiation

A

Approximately 3.2 mSv

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10
Q

Examples of Man-made Radiation

A

Medical imaging, nuclear power generation, research application, industrial sources, consumer items

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11
Q

Diagnostic x-rays

A

Man-made Radiation

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12
Q

Two Types of Ionizing Radiation

A

Particulate radiation,

Electromagnetic radiation

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13
Q

is the radiation of energy by means of fast-moving subatomic particles

A

Particle radiation

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14
Q

2 Particulate Radiation

A

Alpha Particles,

Beta Particles

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15
Q

are high energy, large subatomic structures of protons and neutrons

A

Alpha particles

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16
Q

They can travel only a short distance and are stopped by a piece of paper or skin

A

Alpha Particles

17
Q

are fast moving electrons

A

Beta particles

18
Q

They are a fraction of the size of alpha particles, but can travel farther and are more penetrating

A

Beta particles

19
Q

This kind of radiation is pure energy with no mass and is like vibrating or pulsating waves of electrical and
magnetic energy

A

Electromagnetic Radiation

20
Q

are produced by a vibrating electric charge and as such, they consist of
both an electric and a magnetic component.

A

Electromagnetic waves

21
Q

Electromagnetic Radiation

A

Gamma rays,

X-rays

22
Q

SI Unit for Exposure Dose

A

Air Kerma (Gya)

23
Q

SI Unit for Dose

A

Gray (Gyt)

24
Q

SI Unit for Effective Dose

A

Sievert (Sv)

25
SI Unit for Radioactivity
Becquerel (Bq)
26
Special Unit for Exposure Dose
C/kg
27
Special Unit for Dose
J/kg
28
Special Unit for Effective Dose
J/kg
29
Special Unit for Radioactivity
s^-1
30
Conventional Unit for Exposure Dose
Roentgen (R)
31
Conventional Unit for Dose
rad
32
Conventional Unit for Effective Dose
rem
33
Conventional Unit for Radioactivity
Curie (Ci)
34
can be applied to distances greater than seven times the longest dimension of the source
Inverse Square Law
35
use of solid medium to transfer energy
Conduction
36
uses molecular motion to transfer energy
Convection