Physics A-Level
Impedance mismatch and reflection
What Impedance mismatch and reflection means in Physics A-Level, as defined for OCR.
Definition of Impedance mismatch and reflection
Check what you remember
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Reference: OCR
The difference in impedance between two media, on which the fraction of ultrasound reflected at a boundary depends.
Topics that use Impedance mismatch and reflection
- 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 Impedance mismatch and reflection in the exam
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