Physics GCSE
SI units and prefix conversion
What SI units and prefix conversion means in Physics GCSE, as defined for OCR.
Definition of SI units and prefix conversion
Check what you remember
Read the wording for your board, then hide it and explain SI units and prefix conversion in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Converting prefixes first, so kilohertz becomes hertz and centimetres become metres, before substituting values.
Topics that use SI units and prefix conversion
- Wave behaviour (OCR GCSE)
Related terms
- absorption
- ageing
- amplitude
- audible range
- Calculations with powers of ten
- compressions and rarefactions
- Energy transfer by waves
- Evidence from floating objects on water
Using SI units and prefix conversion in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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