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

Measuring with a caliper

Topic content

Lessons in this topic

2 lessons · 16 min

  1. 1Physical quantities, SI units and prefixes9 minFree
  2. 2Dimensions, dimensional analysis and significant figures7 min Plan
    • Dimensions
    • Checking an equation: homogeneity
    • Deriving a relationship
    • Significant figures in answers

    4 worked examples

Learn physical quantities and units step by step

Unlock both lessons on physical quantities and units, plus every other WASSCE Physics topic, exam-style practice marked instantly and guided learning tools.

  • Free account, no card needed
  • Everything from 25 NLe
  • No automatic renewal
Start free

More in Foundations of Physics

All Physics topics