Physics A-Level
Micrometer
What Micrometer means in Physics A-Level, as defined for OCR.
Definition of Micrometer
Check what you remember
Read the wording for your board, then hide it and explain Micrometer in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
An instrument used to measure external dimensions to 0.01 mm, read using the sleeve and thimble scales.
Topics that use Micrometer
- Practical skills (OCR A-Level)
Related terms
- Accuracy and precision
- Amplitude
- Analogue measurement
- Apparatus selection
- Background radiation
- Circuit symbols and component recognition
- Computer modelling
- Data logger
Using Micrometer 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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