Radiation and risk - AQA Synergy

1

Gamma radiation can be significantly reduced by?

2

What form of radiation is emitted by nuclei with too many neutrons?

3

Radioactive powder being spilled onto clothing is an example of?

4

What would not be a sensible safety precaution when using radioactive sources?

5

What is a gamma knife used for?

6

What is the activity of a source that emits 1,200 particles per minute?

7

Uranium 238 emits an alpha particle to become what nucleus?

8

An alpha particle is …..

9

Which type of radiation can reach the furthest?

10

What fraction of a radioisotope has decayed after two half-lives? - Higher