Physics A-Level
Choosing appropriate units for large distances
What Choosing appropriate units for large distances means in Physics A-Level, as defined for OCR.
Definition of Choosing appropriate units for large distances
Check what you remember
Read the wording for your board, then hide it and explain Choosing appropriate units for large distances in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Selecting the unit that keeps numbers manageable and stating it clearly.
Topics that use Choosing appropriate units for large distances
- Cosmology (OCR A-Level)
Related terms
- Age of the universe
- Astronomical distance units
- Baseline
- Big Bang nucleosynthesis
- Big Bang theory
- Cosmic microwave background
- Cosmic microwave background radiation
- Cosmological redshift
Using Choosing appropriate units for large distances 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