intensifying screen
What intensifying screen means in Physics A-Level, as defined for AQA.
Definition of intensifying screen
Check what you remember
Read the wording for your board, then hide it and explain intensifying screen in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Contains a phosphor that absorbs X-ray photons and emits many visible photons, which expose the film far more efficiently.
Topics that use intensifying screen
- Image detection and enhancement (A-level only) (AQA A-Level)
Related terms
- Barium meal
- Clinical workflow and data storage
- Contrast enhancement
- Digital versus analogue imaging
- dose reduction
- electronic scanning
- fluoroscopic image intensification
- Image quality and contrast resolution
Using intensifying screen 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge