Half Life Flashcards
1
Q
What is half Life activity
A
Decay rate
Measured in becquerals (Bq)
1 Bq is 1 decay per second
2
Q
How do we measure half Life activity?
A
Geiger tube that clicks on detection
Photographic film the more dark the more radiation
3
Q
Define half Life ?
A
The average time taken for the number of radioactive nuclei in an isotope to half Life
4
Q
What is half Life?
A
The time taken for the radioactivity of a specified isotope to fall to half its original value
5
Q
Can we tell when half Life will occur
A
No it’s a random process but with isotope nuclei we can base on the half lives
