Radiation Flashcards
1
Q
What are the 3 types of radiation?
A
Alpha radiation
Beta radiation
Gamma radiation
2
Q
What is alpha radiation known as?
A
Helium nuclei
3
Q
What is beta radiation known as?
A
An electron
4
Q
What spectrum is gamma radiation a part of?
A
The electromagnetic spectrum.
5
Q
What radiation is highly ionising?
A
Alpha radiation
6
Q
What radiation is the smallest?
A
Gamma radiation
7
Q
What radiation is highly penetrating?
A
Gamma radiation
8
Q
How is alpha radiation stopped?
A
Paper/skin
9
Q
How is beta radiation stopped?
A
Foil
10
Q
How is gamma radiation stopped?
A
Lead
11
Q
What is half life?
A
The time it takes for half the radioactive atoms to decay.
12
Q
What is the range of half life?
A
Between milliseconds and years
