Physics A-Level
Formation of a real intermediate image
What Formation of a real intermediate image means in Physics A-Level, as defined for AQA.
Definition of Formation of a real intermediate image
Check what you remember
Read the wording for your board, then hide it and explain Formation of a real intermediate image in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The secondary mirror redirects the rays to cross and form a real intermediate image at the focal plane, strictly up to the eyepiece.
Topics that use Formation of a real intermediate image
- Reflecting telescopes (A-level only) (AQA A-Level)
Related terms
- Aperture stop
- Chromatic aberration
- Convex secondary mirror
- Folded optical path
- Optical ray construction and labelling
- Parabolic mirror
- Reflection at curved and plane surfaces
- Central obstruction
Using Formation of a real intermediate image 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