Physics A-Level
Altitude
What Altitude means in Physics A-Level, as defined for AQA.
Definition of Altitude
Check what you remember
Read the wording for your board, then hide it and explain Altitude in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Found by calculating the orbital radius r from r³ = GMT²/(4π²) and then subtracting the planet's radius.
Topics that use Altitude
- Orbits of planets and satellites (A-level only) (AQA A-Level)
Related terms
- Escape velocity
- Geostationary orbit
- Gravitational force as centripetal force
- Gravitational potential energy
- Kinetic, potential and total energy in circular orbits
- Low orbit
- Orbital radius
- Synchronous orbit
Using Altitude 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