Physics A-Level
milli (m)
What milli (m) means in Physics A-Level, as defined for OCR.
Definition of milli (m)
Check what you remember
Read the wording for your board, then hide it and explain milli (m) in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A prefix, symbol m, that represents 10⁻³, so a millimetre (1 mm) is 1 × 10⁻³ m.
Topics that use milli (m)
- S.I. units (OCR A-Level)
Related terms
- Avogadro constant
- Base units
- Derived units
- Dimensional analysis
- Mass and the kilogram
- Molar calculations
- Prefixes and unit conversion
- S.I. base quantities
Using milli (m) 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.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge