nuclear physics Flashcards
1
Q
alpha decay
A
2 protons/neutrons
4/2
2
Q
beta decay
A
0/-1
3
Q
alpha abilities-
A
most ionising-absorbed by paper or thin air-smoke detectors
4
Q
examples of background radiation
A
cosmic rays radon gas/nuclear weapons/medical equipment
5
Q
beta abilities
A
medium ionising/penetration absorbed by few mm of aluminium-used to test thickness of paper
6
Q
gamma abilities
A
low ionising-intensity reduced by lead or concrete-radiotherapy/sterilisation/gamma knife
7
Q
fission
A
neutron fired at nucleus splitting in half creating 2 unstable daughter nuclei-releases 3 neutrons
8
Q
A
