Short half-life
What Short half-life means in Physics GCSE, as defined for OCR.
Definition of Short half-life
Check what you remember
Read the wording for your board, then hide it and explain Short half-life in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The material decays quickly, so its activity and hazard fall rapidly, but it emits intensely while fresh.
Topics that use Short half-life
- Uses and hazards (OCR GCSE)
Related terms
- chain reaction
- contamination
- Half-life
- irradiation
- Mass-energy conversion
- Medical uses of nuclear radiation
- neutron absorption
- nuclear fission
Using Short half-life in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge