types of radiation Flashcards
1
Q
what are the three types of radiation?
A
alpha, beta, gamma
2
Q
what is alpha radiation also known as?
A
helium nuclei
3
Q
what is beta radiation also known as?
A
an electron
4
Q
what is gamma radiation also known as?
A
a wave ( part of the electromagnetic spectrum)
5
Q
alpha radiation is very…. while gamma radiation is very….
A
large
small
6
Q
alpha radiation is highly?
A
ionising
7
Q
what does ionising mean?
A
how good it is at knocking electrons off, how good it is at turning something into an ion
8
Q
gamma radiation is highly?
A
penetrating
9
Q
what can stop each of the radiation types?
A
A - paper/skin
B - foil
G - lead
10
Q
what can measure radiation? and what will this do?
A
a geiger-muller tube, it will click every time it hears a bit of radiation
11
Q
what is the unit for radiation?
A
the becquerel (Bq)
