Physics A-Level
Density and speed of ultrasound
What Density and speed of ultrasound means in Physics A-Level, as defined for OCR.
Definition of Density and speed of ultrasound
Check what you remember
Read the wording for your board, then hide it and explain Density and speed of ultrasound in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The two quantities multiplied together to give acoustic impedance, where ρ is the density of the medium and c is the speed of ultrasound in that medium.
Topics that use Density and speed of ultrasound
- Using ultrasound (OCR A-Level)
Related terms
- A-scan
- Acoustic impedance
- Acoustic impedance mismatch
- Acoustic matching
- Angle dependence of Doppler shift
- B-scan
- Coupling gel
- Coupling gel in ultrasound scanning
Using Density and speed of ultrasound 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