Combined Science GCSE
Half-life as a measurable constant
What Half-life as a measurable constant means in Combined Science GCSE, as defined for AQA.
Definition of Half-life as a measurable constant
Check what you remember
Read the wording for your board, then hide it and explain Half-life as a measurable constant in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The time for half the nuclei, or half the count rate, to remain.
Topics that use Half-life as a measurable constant
Related terms
- Experimental variation and reliability of measurements
- half-life
- Halving of nuclei number and count rate
- net decline
- Random nature of radioactive decay
- Statistical predictability of large samples
- Half-life and activity
- Practical applications of half-life
Using Half-life as a measurable constant 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 Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge