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1 Physical quantities and units
1.1 Physical quantities
Candidates should be able to:
1 understand that all physical quantities consist of a numerical magnitude and a unit
2 make reasonable estimates of physical quantities included within the syllabus
1.2 SI units
Candidates should be able to:
1 recall the following SI base quantities and their units: mass (kg), length (m), time (s), current (A),
temperature (K)
2 express derived units as products or quotients of the SI base units and use the derived units for
quantities listed in this syllabus as appropriate
3 use SI base units to check the homogeneity of physical equations
4 recall and use the following prefixes and their symbols to indicate decimal submultiples or multiples of
both base and derived units: pico (p), nano (n), micro (μ), milli (m), centi (c), deci (d), kilo (k), mega (M),
giga (G), tera (T)
1.3 Erro
