eyepiece graticule
What eyepiece graticule means in Biology A-Level, as defined for AQA.
Definition of eyepiece graticule
Check what you remember
Read the wording for your board, then hide it and explain eyepiece graticule in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A scale etched into the eyepiece whose divisions have no fixed value until they are calibrated.
Topics that use eyepiece graticule
- Methods of studying cells (AQA A-Level)
Related terms
- acceptance of scientific evidence
- artefact
- calibration
- magnification
- microscopy limitations
- optical vs electron microscopes
- resolution
- specimen preparation
Using eyepiece graticule 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 Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge