Half-life Flashcards
1
Q
What does the radioactivity of a source do overtime?
A
decreases
2
Q
Where does the radioactive substance give out radiation?
A
Nucleus
3
Q
How can radiation be measured?
A
With a Geiger-Muller tube and counter, which records the count rate measured per second
4
Q
What is the half-life?
A
The time it takes for the amount of radiation emitted by a source to halve