Physics GCSE
time distance shielding
What time distance shielding means in Physics GCSE, as defined for AQA.
Definition of time distance shielding
Check what you remember
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Reference: AQA
Three controls that protect people nearby: reduce time, increase distance and add shielding.
Topics that use time distance shielding
- Radioactive contamination (AQA GCSE)
Related terms
- alpha inside the body
- contamination
- decay in contact with tissue
- duration of exposure
- internal versus external hazard
- ionising power
- irradiation
- irradiation leaves nuclei unchanged
Using time distance shielding in the exam
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