Combined Science GCSE
Time, distance and shielding
What Time, distance and shielding means in Combined Science GCSE, as defined for AQA.
Definition of Time, distance and shielding
Check what you remember
Read the wording for your board, then hide it and explain Time, distance and shielding in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Precautions that reduce the dose received by keeping exposure time as short as possible, increasing distance and placing appropriate shielding around the source.
Topics that use Time, distance and shielding
- Radioactive contamination (AQA GCSE)
Related terms
- Irradiated object
- Irradiation
- Peer review
- Radioactive contamination
- Risk assessment and monitoring
- Contamination
- Dose control
- Ethics of research involving humans
Using Time, distance and shielding in the exam
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