Physics A-Level
Physical quantities
What Physical quantities means in Physics A-Level, as defined for OCR.
Definition of Physical quantities
Check what you remember
Read the wording for your board, then hide it and explain Physical quantities in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
What each unit measures, for example the pascal is the unit of pressure and the coulomb is the unit of charge.
Topics that use Physical quantities
- 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 Physical quantities 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.
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