NEW
Font size
WorksheetsNuclear Physics
Total questions: 25
Worksheet time: 35mins
What is a beta particle made of?
One proton
A helium nucleus
A fast moving electron
One proton and one neutron
Which of these processes describes a nuclear fusion reaction?
A nucleus absorbs energy to produce lighter nuclei.
A nucleus splits to produce energy and lighter nuclei
Two nuclei bind together to produce energy and heavier nuclei.
Two nuclei bind together to produce energy and a lighter nuclei.
Of the main types of radiation emitted from naturally radioactive isotopes, which is the hardest to block?
Alpha decay
Gamma decay
Beta decay
They are all blocked using the same method
A helium nucleus
Gamma rays
Electrons
Absorbtion
The % of the original isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
The % of the original isotope remaining after 2 Half Lives.
50%
25%
12.5%
6.25%
What is the Half life of this isotope?
5 seconds
10 seconds
15 seconds
20 seconds
What is the Half Life of this isotope?
3 days
5 days
8 days
10 days
A gamma ray is described as
high frequency electromagnetic radiation
fast moving electron
a helium nucleus
two proton and two neutrons
What is the unit for activity?
Bq
Sv
Gy
s
What is the unit for absorbed dose?
Bq
Gy
Sv
Decays
What is the unit for equivalent dose?
Bq
Gy
Sv
kg
Which type of radiation is used for radioactive tracers?
Alpha
Beta
Gamma
Which of these would NOT decrease the equivalent dose received from a radioactive source.
Increasing the distance from the source
Using shielding between yourself and the source
Increasing time of exposure to the source
