Learning objective
Use base and derived SI units correctly in physical quantities.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Use of SI units and their prefixes
Subtopic
SI units, prefixes and equation consistency
Aqa A Level PhysicsMeasurements and their errors
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Quick explanation
Use base and derived SI units correctly in physical quantities
- This point belongs to Use of SI units and their prefixes, especially SI units, prefixes and equation consistency.
- You need to be able to use base and derived SI units correctly in physical quantities.
- The key ideas to know are SI unit.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
SI unit
Why it matters
This objective helps connect SI units, prefixes and equation consistency to exam-style questions, flashcards, and revision notes for Use of SI units and their prefixes.
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Open revision notesRelated learning objectives
- Convert between common SI prefixes and standard form.
SI units, prefixes and equation consistency
- Check whether equations are homogeneous by comparing units.
SI units, prefixes and equation consistency
- Present calculated values with appropriate units and powers of ten.
SI units, prefixes and equation consistency