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Study sets matching "physics nuclear radiation"

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Study sets matching "physics nuclear radiation"

12 terms
RGGS Physics Nuclear Physics Radiation
alpha particle
daughter nuclide
parent nuclide
half-life
a helium-4 nuclide with two positive charges
nuclide resulting from radioactive decay
original nuclide before radioactive emission
the time taken for half a sample to decay
alpha particle
a helium-4 nuclide with two positive charges
daughter nuclide
nuclide resulting from radioactive decay
51 terms
N5 physics Nuclear Radiations
spontaneous... random
alpha... beta ... gamma
the nucleus
gamma... beta... alpha
Write down two words that describe the nature of radioactive…
What are the three main types of radiation?
Which part of the atom do alpha, beta and gamma radiations co…
List the three nuclear radiations in order of increasing ioni…
spontaneous... random
Write down two words that describe the nature of radioactive…
alpha... beta ... gamma
What are the three main types of radiation?
11 terms
Physics Unit 2 - Nuclear Radiation
Radiation
Nuclear radiation
Alpha radiation
Beta radiation
to give out
energy and particles given out from the nucleus of an atom
example element - Americanium -241... Made up of - 2protons, 2ne…
example element - Strontium -90... Made up of - a highly charged…
Radiation
to give out
Nuclear radiation
energy and particles given out from the nucleus of an atom
7 terms
Physics radiation & nuclear
Alpha particles
Beta particles
Gamma particles
Alpha decay
Mass of 4... Charge of +2 ... Helium nucleus
Mass of 0 ... Charge of -1 ... Fast moving electron
Charge of 0... Mass of 0... Electromagnetic wave
Mass decreases by 4. ... Atomic number decreases by 2
Alpha particles
Mass of 4... Charge of +2 ... Helium nucleus
Beta particles
Mass of 0 ... Charge of -1 ... Fast moving electron
10 terms
G10 Radiation and Nuclear Physics
Alpha particle
Beta particle
Gamma radiation
Ultra Violet
The most ionizing form of nuclear radiation
equivalent to an high energy electron
EM radiation that comes from the nucleus
EM radiation which is responsible for suntans
Alpha particle
The most ionizing form of nuclear radiation
Beta particle
equivalent to an high energy electron
14 terms
Physics - Nuclear Fission and Radiation
Nuclear Fission
Radioactive Atoms
Lead/Pb
Unstable atoms
The splitting of a nucleus
All radiation comes from the nucleus of an atom. All radioact…
The highest stable atom
All atoms that are unstable are radioactive and constantly de…
Nuclear Fission
The splitting of a nucleus
Radioactive Atoms
All radiation comes from the nucleus of an atom. All radioact…
32 terms
9P1 Radiation and Nuclear Physics
atom
electron
proton
neutron
Basic unit of matter
A tiny, negatively charged particle found in shells around th…
Positively charged particle in the nucleus of an atom
A small particle in the nucleus of the atom, with no electric…
atom
Basic unit of matter
electron
A tiny, negatively charged particle found in shells around th…
15 terms
Nuclear Physics Radiation Key words
Inverse square law
Isotopes
Ionisation
Ionising radiation
The intensity of gamma radiation source varies with the inver…
Are atoms which have the same number of protons in each nucle…
The process of creating ions
Radiation that produces ions as it passes through a substance…
Inverse square law
The intensity of gamma radiation source varies with the inver…
Isotopes
Are atoms which have the same number of protons in each nucle…
17 terms
Physics N5 - Nuclear radiation
The atom is made
Protons
Neutrons
Electron
Up of a small nucleus, containing protons and electrons
Are positively charged and have mass
Have no charge and have a similar mass to a proton
Are negatively charged.
The atom is made
Up of a small nucleus, containing protons and electrons
Protons
Are positively charged and have mass
26 terms
Nuclear Physics: Types and Properties of Nuclear Radiation
What are the three types of nuclear ra…
What is alpha?
What is beta?
What is gamma?
Alpha, beta, gamma
Helium nucleus
Fast electron
High frequency electromagnetic wave
What are the three types of nuclear ra…
Alpha, beta, gamma
What is alpha?
Helium nucleus
60 terms
physics uses and dangers of nuclear radiation
when were the dangers of radioactivity…
gradually, with time, what link was ma…
what can ionising radiation do?
what can mutations do?
the dangers were not realised when it was first discovered
a link was made between exposure to radioactive materials and…
damage living cells by causing mutations in the structure of…
harm the individual or be passed on to the next generation
when were the dangers of radioactivity…
the dangers were not realised when it was first discovered
gradually, with time, what link was ma…
a link was made between exposure to radioactive materials and…
15 terms
Physics = Ionising radiation & nuclear reactions
nucleus
atomic number
(atomic) mass number
isotope
positively charged central core of an atom consisting of prot…
number of protons in a nucleus (Z)
total number of nucleons in a nuclide (A)
atom with the same number of protons but a different number o…
nucleus
positively charged central core of an atom consisting of prot…
atomic number
number of protons in a nucleus (Z)
9 terms
Physical Science Radioactivity/Nuclear Radiation
Alpha Particle
Beta Particle
Fission
Fusion
Positively charged particle emitted by some radioactive nucle…
Electron emitted during the radioactive decay of a neutron in…
Process by which a nucleus splits into 2 or more smaller frag…
Process in which light nuclei combine at extremely high tempe…
Alpha Particle
Positively charged particle emitted by some radioactive nucle…
Beta Particle
Electron emitted during the radioactive decay of a neutron in…
103 terms
physics atomic structure and nuclear radiation
what is the atomic mass?
what is an ion?
what determines which element it is?
why is an atom neutral?
number of protons + number of neutrons
an atom or molecule with a net charge due to the loss or gain…
the number of protons in an atom
it has the same number of protons as electrons
what is the atomic mass?
number of protons + number of neutrons
what is an ion?
an atom or molecule with a net charge due to the loss or gain…
21 terms
Nuclear Radiation
What is ionisation?
Alpha Radiation... 5 facts
Beta Radiation... 3 facts
Gamma Radiation... 5 facts
When an atom gains or loses an electron
Helium nucleus... Absorbed by paper or few mm of air... Slowest... Gre…
Fast moving electron... Absorbed by aluminium... Negative charge
EM wave... Absorbed by lead... Fastest... Least ionisation... Neutral cha…
What is ionisation?
When an atom gains or loses an electron
Alpha Radiation... 5 facts
Helium nucleus... Absorbed by paper or few mm of air... Slowest... Gre…
22 terms
GCSE Physics 2 Revision: Nuclear radiation
Atomic mass
Atomic number
What is an isotope?
What is alpha?
Tells us the number of neutrons plus protons
Tells us the number of protons
Isotopes are the same elements but with different numbers of…
Alpha is a helium nucleus.... It has a positive charge.... It is th…
Atomic mass
Tells us the number of neutrons plus protons
Atomic number
Tells us the number of protons
23 terms
Nuclear Radiation
Alpha Particle
Beta Particle
Gamma Ray
Alpha Decay
A positively charged particle emitted from certain radioactiv…
An electron resulting in the breaking apart of neutrons in an…
A high energy photon emitted by a radioisotope
A nuclear reaction in which an atom emits an alpha particle c…
Alpha Particle
A positively charged particle emitted from certain radioactiv…
Beta Particle
An electron resulting in the breaking apart of neutrons in an…
20 terms
OCR Physics P2 E Nuclear radiations
Nuclear power
Advantages of nuclear power
Disadvantages of nuclear power
Leukaemia
Comes from atomic reactions... Fission or Fusion
No emissions... No carbon dioxide... Not using fossil fuel resources
Expensive to set up... Waste is radioactive for thousands of yea…
A type of cancer ... Caused by mutations... Uncontrolled production…
Nuclear power
Comes from atomic reactions... Fission or Fusion
Advantages of nuclear power
No emissions... No carbon dioxide... Not using fossil fuel resources
Nuclear Radiation
isotope
atomic mass
nuclear forces
alpha radiation
Atoms of the same element that have different numbers of neut…
The average mass of all the isotopes of an element
attractive forces within the nucleus that hold protons and ne…
Radiation that is made up of alpha particles; can be stopped…
isotope
Atoms of the same element that have different numbers of neut…
atomic mass
The average mass of all the isotopes of an element
13 terms
Nuclear Radiation
radioisotope
radiation
radioactive decay
alpha decay
An atom that contains an unstable nucleus that will undergo r…
High energy particles or electromagnetic radiation emitted by…
The process of an unstable nucleus undergoing a change that r…
A radioactive decay in which a nucleus emits an alpha particl…
radioisotope
An atom that contains an unstable nucleus that will undergo r…
radiation
High energy particles or electromagnetic radiation emitted by…
13 terms
Nuclear Radiation
radioisotope
radiation
radioactive decay
alpha decay
An atom that contains an unstable nucleus that will undergo r…
High energy particles or electromagnetic radiation emitted by…
The process of an unstable nucleus undergoing a change that r…
A radioactive decay in which a nucleus emits an alpha particl…
radioisotope
An atom that contains an unstable nucleus that will undergo r…
radiation
High energy particles or electromagnetic radiation emitted by…
18 terms
Nuclear Radiation
Absorbed Dose
Gray
Roentgen
Activity
energy ionising radiation absorbs
Absorbed Dose is measured in ...
Energy absorbed by matter
The rate an isotope decays
Absorbed Dose
energy ionising radiation absorbs
Gray
Absorbed Dose is measured in ...
12 terms
Nuclear Radiation
Radioactivity
Radiation
Radioisotopes
Alpha particle
The process by which nuclei emit particles and rays
The penetrating rays and particles emitted by a radioactive s…
An isotope that had an unstable nucleus and undergoes radioac…
A positively charged particle; it consists of two protons and…
Radioactivity
The process by which nuclei emit particles and rays
Radiation
The penetrating rays and particles emitted by a radioactive s…
21 terms
Waves and Radiation - Nuclear Radiation
What is ionisation?
Alpha Radiation... 5 facts
Beta Radiation... 3 facts
Gamma Radiation... 5 facts
When an atom gains or loses an electron
Helium nucleus... Absorbed by paper or few mm of air... Slowest... Gre…
Fast moving electron... Absorbed by aluminium... Negative charge
EM wave... Absorbed by lead... Fastest... Least ionisation... Neutral cha…
What is ionisation?
When an atom gains or loses an electron
Alpha Radiation... 5 facts
Helium nucleus... Absorbed by paper or few mm of air... Slowest... Gre…
21 terms
Waves and Radiation - Nuclear Radiation
When an atom gains or loses an electron
Radiation that is made up of alpha par…
Fast moving electrons emitted from the…
Electromagnetic radiation emitted duri…
Ionisation?
Alpha Radiation
Beta Radiation
Gamma Radiation
When an atom gains or loses an electron
Ionisation?
Radiation that is made up of alpha par…
Alpha Radiation
76 terms
Physics-unit 5- radiation and nuclear decay
Who carried out the rutherford scatter…
What was the rutherford scattering exp…
What was concluded from the findings o…
How do you measure the background radi…
Geiger and Marsden in 1911
-alpha particles fired at a thin gold foil... -most passed strai…
Most of the volume of the atom is just empty space ... Atoms hav…
Take three readings for two minutes... Take average ... Divide by t…
Who carried out the rutherford scatter…
Geiger and Marsden in 1911
What was the rutherford scattering exp…
-alpha particles fired at a thin gold foil... -most passed strai…
8 terms
Science - Physics - P2 - Nuclear radiation
What is nuclear radiation?
When is a substance called radioactive?
What is so bad about ionising radiation
What is irradiation
Radioactive nuclear energy
When it is constantly emitting ionising radiation
Damages living cells
Exposure to a radioactive source outside of the body
What is nuclear radiation?
Radioactive nuclear energy
When is a substance called radioactive?
When it is constantly emitting ionising radiation
36 terms
Nuclear radiation
Alpha is made up of*
alphas relative size *
alphas charge*
Alphas penetrability*
2 protons and 2 neutrons
VERY BIG
positive
Poor, easy to be stopped, anything can block it like paper
Alpha is made up of*
2 protons and 2 neutrons
alphas relative size *
VERY BIG
20 terms
OCR Physics P2 E Nuclear radiations
Nuclear power
Advantages of nuclear power
Disadvantages of nuclear power
Leukaemia
Comes from atomic reactions... Fission or Fusion
No emissions... No carbon dioxide... Not using fossil fuel resources
Expensive to set up... Waste is radioactive for thousands of yea…
A type of cancer ... Caused by mutations... Uncontrolled production…
Nuclear power
Comes from atomic reactions... Fission or Fusion
Advantages of nuclear power
No emissions... No carbon dioxide... Not using fossil fuel resources
40 terms
Nuclear Radiation
Connotations
Nuclear radiation
Nuclear power plant
Nuclear reactor
an idea or feeling that a word invokes in addition to its lit…
the energy particles or rays that are given off from a radioa…
a thermal power station in which the heat source is a nuclear…
a device used to initiate and control a sustained nuclear cha…
Connotations
an idea or feeling that a word invokes in addition to its lit…
Nuclear radiation
the energy particles or rays that are given off from a radioa…
70 terms
Nuclear Radiation
Electrostatic Force
repel each other
+
-
A force of repulsion or attraction acting over a relatively l…
protons in the nucleus
+repels
-repels
Electrostatic Force
A force of repulsion or attraction acting over a relatively l…
repel each other
protons in the nucleus
12 terms
Nuclear Radiation
Radioactivity
Radiation
Radioisotopes
Alpha particle
The process by which nuclei emit particles and rays
The penetrating rays and particles emitted by a radioactive s…
An isotope that had an unstable nucleus and undergoes radioac…
A positively charged particle; it consists of two protons and…
Radioactivity
The process by which nuclei emit particles and rays
Radiation
The penetrating rays and particles emitted by a radioactive s…
10 terms
Nuclear Reactions and Radiation
Fission (Picture)
Fusion (Picture)
Alpha Radiation (Picture)
Beta Radiation (Picture)
Fission (Picture)
Fusion (Picture)
36 terms
Nuclear radiation
Alpha is made up of*
alphas relative size *
alphas charge*
Alphas penetrability*
2 protons and 2 neutrons
VERY BIG
positive
Poor, easy to be stopped, anything can block it like paper
Alpha is made up of*
2 protons and 2 neutrons
alphas relative size *
VERY BIG
26 terms
Nuclear Radiation
atom
isotope
alpha particle
beta particle
a basic unit of matter... made up of a positively charged nucle…
an atom of the same element with a different number of neutro…
• helium nucleus... • travels few cm in air... • absorbed by paper…
• fast moving electron... • travels few m in air... • absorbed by 2…
atom
a basic unit of matter... made up of a positively charged nucle…
isotope
an atom of the same element with a different number of neutro…
39 terms
chapter 18 physical science radioactivity and nuclear radiations
bubble chamber
alpha particle
gamma ray
transmutation
a device that uses a superheated liquid to detect radioactive…
a positively charged nuclear particle that has two protons an…
form of nuclear radiation that travels as waves
the process by which one element changes to another element t…
bubble chamber
a device that uses a superheated liquid to detect radioactive…
alpha particle
a positively charged nuclear particle that has two protons an…
12 terms
Nuclear Radiation
Ionising Radiation
Ionising Radiation
Non-ionising radiation
half life
Energy in particle that can affect number of electrons around…
Electromagnetic particle that can affect number of electrons…
Electromagnetic form that does not affect atomic electrons.
time taken for half a sample to decay
Ionising Radiation
Energy in particle that can affect number of electrons around…
Ionising Radiation
Electromagnetic particle that can affect number of electrons…
15 terms
Nuclear radiation
Nuclear decay
Alpha particles,beta particles,gamma r…
Alpha particles
Beta particles
Unstable nucleus in an atom gives off nuclear radiation
Three main components of radiation
same as the nuclei in helium atoms,Two protons and two neutro…
Energetic electrons created in and emitted from the nucleus,C…
Nuclear decay
Unstable nucleus in an atom gives off nuclear radiation
Alpha particles,beta particles,gamma r…
Three main components of radiation
10 terms
Nuclear Radiation
Nuclear Radiation
Activity
Background radiation
Dosimetry
Produced when isotopes with an unstable nucleus break apart t…
Measure of the number of radioactive emissions from a source
Radiation which can be detected without any sources present
The measurement of the effect of radiation
Nuclear Radiation
Produced when isotopes with an unstable nucleus break apart t…
Activity
Measure of the number of radioactive emissions from a source
58 terms
K0910 Physics P05 Nuclear Radiation Review Questions
spontaneous random
alpha beta gamma
nucleus
gamma beta alpha
Write down two words that describe the nature of radioactive…
What are the three main types of radiation?
Which part of the atom do alpha, beta and gamma radiations co…
List the three nuclear radiations in order of increasing ioni…
spontaneous random
Write down two words that describe the nature of radioactive…
alpha beta gamma
What are the three main types of radiation?
18 terms
Nuclear Radiation
Alpha, Beeta, Gamma
A few of cms of air or a thick sheet o…
a metre of air or a few millimetres of…
Lead or thick concrete
What are the three different types of radiation in order of p…
Name two things that stop alpha radiation
Name two things that stop beta radiation
Name two things that can reduce gamma radiation
Alpha, Beeta, Gamma
What are the three different types of radiation in order of p…
A few of cms of air or a thick sheet o…
Name two things that stop alpha radiation
40 terms
nuclear radiation
what subatomic particles are involved…
What subatomic particles are involved…
What is the most harmful to the human…
What is the purpose of control rods in…
Protons... Neutrons... Electrons
Electrons
Alpha particles
Absorbing neutrons
what subatomic particles are involved…
Protons... Neutrons... Electrons
What subatomic particles are involved…
Electrons
16 terms
Nuclear Radiation
All three kinds of radiation can cause…
Positive ions are formed when atoms...
Negative ions are formed when atoms...
What happens if radiation enters human…
Ionisation
lose electrons
gain electrons
It can ionise molecules and damage DNA. This can cause *mut…
All three kinds of radiation can cause…
Ionisation
Positive ions are formed when atoms...
lose electrons
12 terms
nuclear radiation
subatomic particles
protons
neutrons
electrons
protons, neutrons, electrons
positive ... in the nucleus
neutral ... in the nucleus
negative... outside the nucleus
subatomic particles
protons, neutrons, electrons
protons
positive ... in the nucleus
8 terms
nuclear radiation-
alpha radiation
beta radiation
gamma radiation
alpha particle
The least penetrating radiation
It has a charge =-1 and a mass = 1/1840 a.m.u., change in mas…
It has a charge =0 and a mass = 0 a.m.u., change in mass numb…
nucleus of helium atom
alpha radiation
The least penetrating radiation
beta radiation
It has a charge =-1 and a mass = 1/1840 a.m.u., change in mas…
14 terms
Nuclear radiation
Isotopes with unstable nuclei are ____…
The __________ of radioisotopes decay…
The radiation may be alpha, __________…
___________ radiation consists of alph…
Radioacive and radioisotopes
Nuclei, stable and radiation
Beta
Alpha heediation and helium
Isotopes with unstable nuclei are ____…
Radioacive and radioisotopes
The __________ of radioisotopes decay…
Nuclei, stable and radiation
Nuclear radiation
Nuclear reactions
Radionuclides
Nuclide
Radio isotopes
Changes in atomic nuclei to generate energy
Nuclides that are radioactive
Nucleus containing a specified number of protons and neutrons
Atoms containing radionuclides
Nuclear reactions
Changes in atomic nuclei to generate energy
Radionuclides
Nuclides that are radioactive
20 terms
nuclear radiation
beta
beta
beta
alpha
emitted when a neutron in an unstable nucleus converts into a…
fast-moving electron, (B or e-), charge of 1-
an increase in atomic number occurs because a neutron is conv…
has the same composition as a helium nucleus - 2 protons and…
beta
emitted when a neutron in an unstable nucleus converts into a…
beta
fast-moving electron, (B or e-), charge of 1-
49 terms
nuclear radiation
radioisotopes
radioactive decay
gamma ray
alpha particles
isotopes that have unstable nuclei and undergo radioactive de…
the process in which an unstable nucleus releases energy by e…
high energy photon with no mass or electrical charge
helium nuclei emitted from a radioactive source
radioisotopes
isotopes that have unstable nuclei and undergo radioactive de…
radioactive decay
the process in which an unstable nucleus releases energy by e…
13 terms
Nuclear Radiation
roentgen (R)
rem
sievert (Sv)
gray (Gy)
exposure
dose (before sievert)
dose (superseding rem)
absorbed radiation dose (1 J/kg) (superseding rad)
roentgen (R)
exposure
rem
dose (before sievert)
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