Raiation Flashcards
1
Q
Alpha radiation
Ionising?
Penetration?
A
Most ionising
Least penetrating
2
Q
Beta
Ionising?
Penetrating?
A
Moderately ionising
Moderately penetrating
3
Q
Gamma
Ionising?
Penetrating?
A
Least ionising
Most penetrating
4
Q
What is alpha radiation used for in medicine?
A
Unable to penetrate so good for imaging
5
Q
What is beta radiation good for in medicine?
A
Sometimes can be used to decay destroyed particles
6
Q
What is gamma radiation used for in medicine?
A
Imaging and destroying cells during radiotherapy
7
Q
What does half life mean
A
The time it takes for half of the unstable nuclei to decay
8
Q
What douse count rate mean
A
The number of decays recorded each second by a detector
