absorption contrast
What absorption contrast means in Physics GCSE, as defined for AQA.
Definition of absorption contrast
Check what you remember
Read the wording for your board, then hide it and explain absorption contrast in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Materials soak up some waves more than others, so a structure such as dense bone or a flaw in a casting shows up as a shadow against another.
Topics that use absorption contrast
Related terms
- change of speed
- compressions and rarefactions
- detection and exploration
- echo pulses
- echo timing
- halving the path
- how science works
- liquid outer core
Using absorption contrast 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