Physics A-Level
S.I. base units
What S.I. base units means in Physics A-Level, as defined for OCR.
Definitions of S.I. base units
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Reference: OCR
The seven units including the metre (m), kilogram (kg), second (s), ampere (A), kelvin (K), mole (mol) and candela (cd).
Units listed in the specification that you must recognise and use, namely m, kg, s, A, K, mol and cd.
Topics that use S.I. base units
- Physical quantities (OCR A-Level)
- S.I. units (OCR A-Level)
Related terms
- Derived units
- Avogadro constant
- Base units
- Dimensional analysis
- Mass and the kilogram
- Molar calculations
- physical quantity
- Prefixes and unit conversion
Using S.I. base units in the exam
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