Physics A-Level
Measurement and uncertainty
What Measurement and uncertainty means in Physics A-Level, as defined for OCR.
Definition of Measurement and uncertainty
Check what you remember
Read the wording for your board, then hide it and explain Measurement and uncertainty in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The fringe spacing x is measured between corresponding points on adjacent bright fringes, ideally by measuring across several fringes and dividing by the number of intervals.
Topics that use Measurement and uncertainty
- Superposition (OCR A-Level)
Related terms
- Coherence
- Constructive and destructive superposition
- Constructive interference
- Constructive superposition
- Destructive interference
- Destructive superposition
- Grating equation
- Grating spacing
Using Measurement and uncertainty 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.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge