Physics A-Level
Contrast medium
What Contrast medium means in Physics A-Level, as defined for OCR.
Definition of Contrast medium
Check what you remember
Read the wording for your board, then hide it and explain Contrast medium in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A substance introduced into the body to increase absorption in the region of interest.
Topics that use Contrast medium
- Nuclear fission and fusion (OCR A-Level)
Related terms
- Alpha and beta decay
- Barium
- Binding energy
- Binding energy per nucleon against nucleon number curve
- Chain reactions
- Characteristic X-rays from shell transitions
- Compton effect
- Computer reconstruction of attenuation data
Using Contrast medium 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.
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