Physics A-Level
Ultrasound
What Ultrasound means in Physics A-Level, as defined for OCR.
Definition of Ultrasound
Check what you remember
Read the wording for your board, then hide it and explain Ultrasound in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A longitudinal wave with a frequency greater than 20 kHz, the upper limit of normal human hearing.
Topics that use 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 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.
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