Background radiation Flashcards
1
Q
What is background radiation?
A
- ->Naturally occuring radiation
- ->always around us
- ->in v. small amounts
- -> not v. harmful
2
Q
Describe sources of background radiation?
A
- -> Cosmic rays from the sun
- -> Rad. used in medicine
- -> Unstable NUCLEI in rocks
- ->Living things (e.g: plants eating rad. things+ pass on)
