1
Q
Where does 50% of background radiation come from?
A
Radon gas
2
Q
What % of Radon gas comes from medical X Rays
A
14%
3
Q
How much background radiation comes from the ground?
A
14%
4
Q
How much background radiation comes from food and drink?
A
11.5%
5
Q
How much background radiation comes from space?
A
10%
6
Q
How much background radiation comes from nuclear weapons testing?
A
0.2%
7
Q
How much background radiation comes from plane travel?
A
0.2%
8
Q
How much background radiation comes from nuclear power stations?
A
0.1%
GCSE Physics - Atomic Structure (Radiation)
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