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Study sets matching "radiation"

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Study sets matching "radiation"

16 terms
Radiation
Alpha
Gamma
Electron
Lead
What radiation is the helium nucleus
What radiation is an electromagnetic wave
What is a beta particle
Stops gamma radiation
Alpha
What radiation is the helium nucleus
Gamma
What radiation is an electromagnetic wave
16 terms
Radiation
Alpha
Gamma
Electron
Lead
What radiation is the helium nucleus
What radiation is an electromagnetic wave
What is a beta particle
Stops gamma radiation
Alpha
What radiation is the helium nucleus
Gamma
What radiation is an electromagnetic wave
16 terms
Radiation
Mass number
Radiosotope
Photosensitive
A Geiger Counter
the number of particles in a necleus
an isotope that is radioactive
this paper will change colour when exposed to radioactivity
this can gauge the amount of radioactivity in the atmosphere
Mass number
the number of particles in a necleus
Radiosotope
an isotope that is radioactive
21 terms
Radiation
Beta particle
Alpha particle
Gamma
Properties of Beta Particle
High velocity electron with a negative charge
High velocity helium nucleus
Deeply penetrating electromagnetic wave, which travels at the…
Negative charge of 1... Low mass... Up to 0.9 x speed of light... Weak…
Beta particle
High velocity electron with a negative charge
Alpha particle
High velocity helium nucleus
68 terms
Radiation
Energy travels through space as ______…
Particles of electromagnetic radiation…
Definition of wave length
Definition of frequency
waves
wave lengths... frequencies
the distance between 2 consecutive wave peaks measured in nan…
number of waves that pass a single point per second
Energy travels through space as ______…
waves
Particles of electromagnetic radiation…
wave lengths... frequencies
10 terms
Radiation
symbol for alpha particle
symbol for beta particle
symbol for electron capture
symbol for positron emission
⁴₂He
⁰₋₁e (product side)
⁰₋₁e (reactant side)
⁰₁e
symbol for alpha particle
⁴₂He
symbol for beta particle
⁰₋₁e (product side)
20 terms
Radiation
Alpha - make up
Alpha - range in air
Alpha - stopped by
Alpha - ionisation
2 neutrons, 2 protons (4,2)
a few cms
paper
highly ionising, wants 2 more electrons
Alpha - make up
2 neutrons, 2 protons (4,2)
Alpha - range in air
a few cms
20 terms
radiation!
lethal tumor dose
stage 1 (first two weeks)
stage 2 (3-4 weeks)
Stage 3: Weeks 5-6
defien as the dose which will eradicate 95 % of the tumor yet…
erythema... Red, warm, Rash appearing skind
Dry desquamation ... Dry, flaky, itchy skin
Wet desquamation ... Sensitive, red, moist, weeping skin with po…
lethal tumor dose
defien as the dose which will eradicate 95 % of the tumor yet…
stage 1 (first two weeks)
erythema... Red, warm, Rash appearing skind
5 terms
radiation
radiation
conduction
convection
greenhouse effect
the transfer of energy as electromagnetic waves
the transfer of thermal energy from one thing to a noth thing
the transfer or the malingerer from the circulation
energy is trapped in the mobster and it is natrral
radiation
the transfer of energy as electromagnetic waves
conduction
the transfer of thermal energy from one thing to a noth thing
24 terms
Radiation
Electromagnetic Radiation (EM)
Particle Radiation (p)
X-Rays
γ-Rays
When interacting with matter ______ radiation shows particle…
The energy of the photon and the frequency (or wavelength λ)…
Origin:... - deexcitation processes in the atoms... - energy loss o…
- typically higher energies than X-rays... Origin: ... - deexcitati…
Electromagnetic Radiation (EM)
When interacting with matter ______ radiation shows particle…
Particle Radiation (p)
The energy of the photon and the frequency (or wavelength λ)…
Radiation
Alpha decay
Beta emission
Positron emission
Electron capture
made of two protons and two neutrons, emits alpha particle
electron with positive charge
electron is pulled into the nucleus
Alpha decay
made of two protons and two neutrons, emits alpha particle
Beta emission
10 terms
Radiation
Alpha
Beta
Gamma
Sterilization
1) Very ionising particles made up of 2 PROTONS and 2 NEUTRON…
1) This is a fast(ONE) ELECTRON emitted from nucleus.... 2) Vey…
1) Very fast WAVE on electromagnetic spectrum... 2) Not very ion…
GAMMA RAYS - used to kill bacteria and animals on food in ord…
Alpha
1) Very ionising particles made up of 2 PROTONS and 2 NEUTRON…
Beta
1) This is a fast(ONE) ELECTRON emitted from nucleus.... 2) Vey…
15 terms
Radiation
Radiation
Ionization
Background Radiation
Natural Sources of Radiation
energy traveling through space through electromagnetic waves…
the process by which an atom gains a positive or negative cha…
Low levels of radiation humans are exposed to everyday
Cosmic rays, rocks and soil and living things
Radiation
energy traveling through space through electromagnetic waves…
Ionization
the process by which an atom gains a positive or negative cha…
10 terms
radiation
radiation
convection
conclution
density
Energy that is radiated or transmitted in the form of rays or…
The transfer of heat by the movement of a fluid
the end or close; final part.
Mass / Volume
radiation
Energy that is radiated or transmitted in the form of rays or…
convection
The transfer of heat by the movement of a fluid
21 terms
Radiation!
Transverse wave
Particles
electromagnetic radiation
Radiation
A wave that moves the medium in a direction perpendicular to…
A general name for atoms and molecules (and ions)
a form of energy that exhibits wavelike behavior as it travel…
(medicine) the treatment of disease (especially cancer) by ex…
Transverse wave
A wave that moves the medium in a direction perpendicular to…
Particles
A general name for atoms and molecules (and ions)
8 terms
Radiation
Radiation
Conduction
Insulators
physical change
is energy carried by electromagnetic Waves.
the movement of heat or electricity through something (such a…
a material that allows little or no heat, electricity, or sou…
Something that looks,acts,or feels different and can be easil…
Radiation
is energy carried by electromagnetic Waves.
Conduction
the movement of heat or electricity through something (such a…
18 terms
Radiation
Fission
Fusion
Beta Decay
Beta Decay
The splitting of an atomic nucleus
When two elements combine to form a new element and releasing…
This radiation is in the form of an electron.
This type of radiation can be stopped by a few mm of aluminium
Fission
The splitting of an atomic nucleus
Fusion
When two elements combine to form a new element and releasing…
11 terms
Radiation
Radiation
Electromagnetic radiation
Electromagnetic spectrum
Generation of electromagnetic radiation
Energetic particles or waves traveling through vacuum or matt…
CLASSICAL THEORY:... Energy flow at universal speed of light thr…
Frequency (ν) is shared by classical and modern theory of ele…
Produced and lost when particle changes velocity.... "Any syste…
Radiation
Energetic particles or waves traveling through vacuum or matt…
Electromagnetic radiation
CLASSICAL THEORY:... Energy flow at universal speed of light thr…
84 terms
Radiation
Atoms of the same element with the sam…
The emission of radiation from an unst…
Because they contain too many or too f…
Unstable isotopes try to get the right…
What is an isotope?
What is radioactivity?
Why do unstable isotopes emit radiation?
What happens in radioactive decay?
Atoms of the same element with the sam…
What is an isotope?
The emission of radiation from an unst…
What is radioactivity?
40 terms
Radiation
atom
protons
neutrons
electrons
smallest unit of an element
positive charge
no charge
negative charge
atom
smallest unit of an element
protons
positive charge
12 terms
Radiation
nonionizing
ionizing
Ultraviolet rays
Gamma Rays
not enough energy to remove an electron from a substance
enough energy to remove an electron from a substance
invisible, can cause sunburn
powerful enough to disrupt a chemical bonds in a cell
nonionizing
not enough energy to remove an electron from a substance
ionizing
enough energy to remove an electron from a substance
15 terms
RADIATION
SUN
WAVES ELECTROMAGNETIC
ENERGY
ULTRAVIOLET RADIATION
The sun is the star too great the space, also is the planet v…
The sun transfers this waves for all space at our planet, it…
The energy is the force that effect the motion of any body
It is the effect from sun, that produces an colour between pu…
SUN
The sun is the star too great the space, also is the planet v…
WAVES ELECTROMAGNETIC
The sun transfers this waves for all space at our planet, it…
38 terms
Radiation
Electromagnetic Radiation
Wavelength
Frequency
Photon
wave energy carried by oscillating electric and magnetic fields
Distance between crests of waves. Measure in meters or nanome…
In sound perception, it is the number of sound wave cycles pe…
A particle of electromagnetic radiation with no mass that car…
Electromagnetic Radiation
wave energy carried by oscillating electric and magnetic fields
Wavelength
Distance between crests of waves. Measure in meters or nanome…
13 terms
Radiation
Fission
Fusion
Beta Decay
Beta Decay (what stops this)
The splitting of an atomic nucleus
When two elements combine to form a new element and releasing…
This radiation is in the form of an electron.
This type of radiation can be stopped by a few mm of aluminium
Fission
The splitting of an atomic nucleus
Fusion
When two elements combine to form a new element and releasing…
26 terms
Radiation
Ionisation
Activity
Half life
Absorbed dose
Loss or gain of an electrom from an atom
Number of decays per unit time
Time taken for the activity of a radioactive source to reduce…
The energy absorbed per unit mass from a radioactive source
Ionisation
Loss or gain of an electrom from an atom
Activity
Number of decays per unit time
12 terms
Radiation
Nuclear Weapons
disarmament
petrochemicals
Zionist Regime
a weapon of mass destruction whose explosive power derives fr…
removal of weapons
Chemicals, obtained from crude oil, that are used in the prod…
a worldwide Jewish movement that resulted in the establishmen…
Nuclear Weapons
a weapon of mass destruction whose explosive power derives fr…
disarmament
removal of weapons
13 terms
radiation
Radiation
Infrared Radiation
Infrared Radiation
Infrared Radiation
comes from the Sun as three types of Electromagnetic waves.
Has longer wavelengths than visible light
● Heats Earth's Atmosphere
● Is absorbed by Earth's surface as heat
Radiation
comes from the Sun as three types of Electromagnetic waves.
Infrared Radiation
Has longer wavelengths than visible light
24 terms
Radiation
Properly
Utility
Soil
Decay
Right,correct
İnstrument
Land,earth
Rotten
Properly
Right,correct
Utility
İnstrument
10 terms
Radiation
symbol for alpha particle
symbol for beta particle
symbol for electron capture
symbol for positron emission
⁴₂He
⁰₋₁e (product side)
⁰₋₁e (reactant side)
⁰₁e
symbol for alpha particle
⁴₂He
symbol for beta particle
⁰₋₁e (product side)
40 terms
Radiation
what is the equivalent dose?
What is the effective dose?
how much radiation does a AP chest x-r…
how much radiation is everyone exposed…
Equivalent dose accounts for the type of radiation used, and…
Effective dose takes into account the type of radiation and t…
To put these numbers into perspective, a standard posterior-a…
2.4 mSv.year
what is the equivalent dose?
Equivalent dose accounts for the type of radiation used, and…
What is the effective dose?
Effective dose takes into account the type of radiation and t…
17 terms
Radiation
What is a photon?
What is an absorber?
What is intensity?
What is the equation for intensity?
an energy packet of light
something that receives the photons energy
it explains the amount of energy per second
Energy per second = photons per second x energy per photon
What is a photon?
an energy packet of light
What is an absorber?
something that receives the photons energy
Radiation
Wavelength
Period/Frequency
Energy
Speed of Light
distance between two similar points on a wave
the time between two similar points on a wave (seconds)
can not be created or destroyed. Can be changed into mass and…
3*10^8
Wavelength
distance between two similar points on a wave
Period/Frequency
the time between two similar points on a wave (seconds)
Radiation
Roentgen (R)
rad
Dose
REM
The roentgen (R) is a unit of radiation exposure in air. It i…
RAD stands for Radiation Absorbed Dose and is the... Slide 7... amo…
The SI unit of absorbed dose is the gray (Gy), which has the…
REM stands for Roentgen Equivalent Man. The... REM is a unit of…
Roentgen (R)
The roentgen (R) is a unit of radiation exposure in air. It i…
rad
RAD stands for Radiation Absorbed Dose and is the... Slide 7... amo…
21 terms
Radiation
Radiation
types of radiation associated with rad…
Radiation also includes
radioactivity
energy traveling through space
alpha, beta, gamma, and X rays
neutrons, which are uncharged
the spontaneous emission of radiation from the nucleus of an…
Radiation
energy traveling through space
types of radiation associated with rad…
alpha, beta, gamma, and X rays
17 terms
Radiation
Cure
Control
Radiosensitivity
Fractionize
Used alone -> basal cell, vocal cord tumor, prostate/teste, c…
Pre-op -> ↓ tumor size... Post-op -> destroy cells... Inoperable ->…
Susceptibility of tissue to radiation... Radiosensitive tumor: d…
Divide total radiation dosage into small frequent doses... Allo…
Cure
Used alone -> basal cell, vocal cord tumor, prostate/teste, c…
Control
Pre-op -> ↓ tumor size... Post-op -> destroy cells... Inoperable ->…
20 terms
Radiation
What is an isotope?
What is the top number on an element s…
What is the bottom number on an elemen…
How do you work out the number of neut…
An atom of an element with the same number of protons but dif…
The mass number (the number of protons and neutrons)
The atomic number (the number of protons)
Mass number - Atomic number
What is an isotope?
An atom of an element with the same number of protons but dif…
What is the top number on an element s…
The mass number (the number of protons and neutrons)
21 terms
radiation
how is radiation taken in
most radiation is from this element
of the human produced sector, the majo…
2nd larget source of radiation
inhaled
radiation 222
fallout/nuclear power plant operation
medical
how is radiation taken in
inhaled
most radiation is from this element
radiation 222
26 terms
radiation
not very likely that we are going to d…
what are the two forms of radiation tr…
what is the goal for palliative treatm…
for curative
it is used for regional control
palliative ... curative
palliation of clinical signs ( pain , bleeding )
long term tumour control
not very likely that we are going to d…
it is used for regional control
what are the two forms of radiation tr…
palliative ... curative
17 terms
Radiation
What is an isotope?
What is a radiostope?
What does radioactivity mean?
What is radioactive decay?
an atom with a different number of neutrons
an isotope that is radioactive
they are unstable and continuously give out radiation
when the nucleus is more stable after emitting radiation
What is an isotope?
an atom with a different number of neutrons
What is a radiostope?
an isotope that is radioactive
15 terms
Radiation
what is radioactive decay
whats radio active decay affected by
how do unstable isotopes or elements d…
what are the 3 types of radiation
when radioactive substances give out radiation from the nucle…
NOTHING - its completely unaffected by physical conditions
by radioactive decay
Alpha... Beta ... Gamma
what is radioactive decay
when radioactive substances give out radiation from the nucle…
whats radio active decay affected by
NOTHING - its completely unaffected by physical conditions
22 terms
Radiation
What are the different types of radiat…
What are alpha particles?
How can you protect against alpha part…
What are beta particles?
Alpha, Beta, and Gamma Radiation
Helium Nucleus, 2 protons and 2 neutrons. Alpha particle is a…
Alpha particles are not very penetrating. Paper, clothing or…
Beta particles are high-speed electrons emitted from the nucl…
What are the different types of radiat…
Alpha, Beta, and Gamma Radiation
What are alpha particles?
Helium Nucleus, 2 protons and 2 neutrons. Alpha particle is a…
radiation
Primary radiation
exit or Remnant Radiation
Scatter Radiation
Attenuation
the beam of photons before it interacts with the patients body
The resulting beam that is able to exit from the patient
Non-diagnostic radiation. along the way an x ray photon may i…
the process by which the nature of the primary radiation is c…
Primary radiation
the beam of photons before it interacts with the patients body
exit or Remnant Radiation
The resulting beam that is able to exit from the patient
9 terms
Radiation
Alpha Particle
Alpha Radiation
Beta Particle
Beta Radiation
two protons and two neutrons; identical to a helium nucleus
ionizing radiation resulting from the decay of radioisotopes…
An electron or positron emitted in radioactive beta decay
ionizing radiation resulting from the decay of radioisotopes…
Alpha Particle
two protons and two neutrons; identical to a helium nucleus
Alpha Radiation
ionizing radiation resulting from the decay of radioisotopes…
28 terms
Radiation
radiation
everyday examples of radiation
2 types of radiation
ionizing radiation
-energy in transmit, either as particles or electromagnetic w…
microwaves used to cook food, radio waves for radio and telev…
1. ionizing radiation (generally more dangerous) ... 2. non part…
-particulate ionizing radiation... -has mass... -spontaneous decay…
radiation
-energy in transmit, either as particles or electromagnetic w…
everyday examples of radiation
microwaves used to cook food, radio waves for radio and telev…
6 terms
Radiation
Alpha Radiation
Beta Radiation
Gamma Radiation
Radiation Sources
Release of a helium atom. ... Can be stopped by paper.
Release of an electron.... Can be stopped by thin metal.
high energy waves.... Stopped by thick iron, lead shields.
Medical, radon gas, cosmic radiation, nuclear disasters.
Alpha Radiation
Release of a helium atom. ... Can be stopped by paper.
Beta Radiation
Release of an electron.... Can be stopped by thin metal.
9 terms
Radiation
Infrared radiation
photons
radio wavelengths
radio waves
...
...
...
...
Infrared radiation
...
photons
...
13 terms
Radiation
Ionizing radiation
Radiation in the form of particles
Radiation in the form of waves
Alpha particles have
radiation with enough energy to remove electrons from other a…
Alpha and Beta
Gamma
high mass, but move relatively slowly
Ionizing radiation
radiation with enough energy to remove electrons from other a…
Radiation in the form of particles
Alpha and Beta
46 terms
Radiation
Radiation=
Radiation Therapy=
Types of radiation (3)
Curative Radiation Therapy
energy released in the form of particle or electromagnetic wa…
the use of high energy radiation from x-rays , gamma rays, ne…
1) External beam... 2) Brachytherapy... 3) Systemic
-Probability of long term survival following treatment.... -Some…
Radiation=
energy released in the form of particle or electromagnetic wa…
Radiation Therapy=
the use of high energy radiation from x-rays , gamma rays, ne…
12 terms
Radiation
AM RADIO WAVES
FM RADIO WAVES
MICROWAVES
INFRARED
APPROXIMATE RANGE OF WAVELENGTHS: 3,000 - 10,000 meters... APPLI…
APPROXIMATE RANGE OF WAVELENGTHS: 1 - 3 ½ meters... APPLICATIONS…
APPROXIMATE RANGE OF WAVELENGTHS: 1mm - 1m... APPLICATIONS / USE…
APPROXIMATE RANGE OF WAVELENGTHS: nanometers - one millimeter…
AM RADIO WAVES
APPROXIMATE RANGE OF WAVELENGTHS: 3,000 - 10,000 meters... APPLI…
FM RADIO WAVES
APPROXIMATE RANGE OF WAVELENGTHS: 1 - 3 ½ meters... APPLICATIONS…
49 terms
Radiation
Ionizing radiation:
ionizing radiations ability to:
when vulnerable cells are exposed to i…
Types of radiation:
involves particles or rays that are sufficiently energetic to…
destroy chemical bonds gives it special significance in relat…
birth defects, mutations or cancer
alpha, beta, gamma, xrays and neutron
Ionizing radiation:
involves particles or rays that are sufficiently energetic to…
ionizing radiations ability to:
destroy chemical bonds gives it special significance in relat…
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