Physics A-Level
micro (μ)
What micro (μ) means in Physics A-Level, as defined for OCR.
Definition of micro (μ)
Check what you remember
Read the wording for your board, then hide it and explain micro (μ) in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A prefix, symbol μ, that represents 10⁻⁶, so a micrometre (1 μm) is 1 × 10⁻⁶ m.
Topics that use micro (μ)
- S.I. units (OCR A-Level)
Related terms
- Avogadro constant
- Base units
- Derived units
- Dimensional analysis
- Mass and the kilogram
- Molar calculations
- Prefixes and unit conversion
- S.I. base quantities
Using micro (μ) in the exam
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