There are many different types of radiation. Some are dangerous and some can be useful, it is important to understand the risks posed by all types of radiation.
Gamma radiation can be significantly reduced by?
What form of radiation is emitted by nuclei with too many neutrons?
Radioactive powder being spilled onto clothing is an example of?
What would not be a sensible safety precaution when using radioactive sources?
Using tweezers to handle the sources
Swallowing the sources
Keeping the sources in lead-lined pots when not in use
What is a gamma knife used for?
Cutting gamma rays
Targeting cancerous tumours to destroy them
Instead of using a scalpel during operations
What is the activity of a source that emits 1,200 particles per minute?
Uranium 238 emits an alpha particle to become what nucleus?
An alpha particle is …..
A helium nucleus
An electromagnetic wave
Which type of radiation can reach the furthest?
What fraction of a radioisotope has decayed after two half-lives? - Higher
All of it