Half Life Flashcards
1
Q
What do you radioactive substances
A
Radiation
2
Q
What can radiation be measured with
A
Geiger Muller tube and counter, records count rate
3
Q
What is half life used to find out
A
The rate at which a source decays, its activity
4
Q
What is activity measured by
A
Becquerels Bq
5
Q
What is halflife
A
Time taken for the number of radioactive nuclei in an isotope to halve
