WASSCE Physics · Foundations of Physics
Physical Quantities and Units
Fundamental and derived quantities, SI units, dimensions, and converting between units.
- lessons
- 2
- of study
- 16 min
- free to read
- 1
Across the topic: 10 sections · 8 worked examples

Topic content
Lessons in this topic
2 lessons · 16 min
- 1Physical quantities, SI units and prefixes9 minFree9 minFree
- 2Dimensions, dimensional analysis and significant figures7 min Plan7 min Plan
- Dimensions
- Checking an equation: homogeneity
- Deriving a relationship
- Significant figures in answers
4 worked examples
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