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GCSE
Gcse Physics
Radioactivity - Atoms And Radiation
Solution
Q.1.
What is background radiation due to?
17%
Nuclear fallout
0%
Rocks
17%
Cosmic rays
67%
All of the above
Q.2.
What is an alpha particle?
0%
A particle which has one neutron and one proton
20%
A proton
0%
A neutron
80%
A particle which has two neutrons and two protons
Q.3.
What is a beta particle?
50%
A low energy electron
0%
A high energy proton
50%
A high energy electron
0%
A low energy proton
Q.4.
What is gamma radiation?
100%
A form of electromagnetic radiation
0%
An electron
0%
A proton
0%
A neutron
Q.5.
Which type of radiation would be blocked by a thin sheet of paper?
100%
Alpha
0%
Beta
0%
Gamma
0%
None of the above
Q.6.
Which type of radiation would be blocked by a thin sheet of aluminium - but not by paper?
0%
Alpha
50%
Beta
50%
Gamma
0%
They all get blocked
Q.7.
Which type of radiation would be blocked by several inches of lead - but not by a thin sheet of aluminium or paper?
0%
Alpha
25%
Beta
75%
Gamma
0%
Beta and Gamma
Q.8.
What types of radiation can be deflected by electric and magnetic fields?
25%
Alpha
50%
Alpha and Beta
0%
Alpha and Gamma
25%
Beta and Gamma
Q.9.
What is the half-life of a radioactive isotope?
0%
The time it takes to be deadly to humans
33%
The number of isotopes in a sample
67%
The average time it takes for the number of nuclei of the isotope in a sample to halve
0%
The time it takes for the isotope in a sample to decrease by a quarter
Q.10.
Which radiation is deflected more by electric and magnetic fields?
50%
Alpha
25%
Beta
25%
Gamma
0%
None are deflected
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