Physics A-Level
Pulse-echo principle
What Pulse-echo principle means in Physics A-Level, as defined for OCR.
Definition of Pulse-echo principle
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Reference: OCR
The principle, used by both A-scan and B-scan, of detecting reflections of pulsed ultrasound at boundaries between media.
Topics that use Pulse-echo principle
- 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 Pulse-echo principle in the exam
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