Physics A-Level
B-scan
What B-scan means in Physics A-Level, as defined for AQA, OCR.
Definitions of B-scan
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Reference: OCR
Displays the intensity of reflections as brightness on a two-dimensional image, building up a cross-sectional picture by scanning the transducer across the region.
A two-dimensional cross-section built by moving the transducer and combining many A-scan lines, with echo brightness representing amplitude.
Topics that use B-scan
- Ultrasound imaging (A-level only) (AQA A-Level)
- Using ultrasound (OCR A-Level)
Related terms
- A-scan
- Acoustic impedance
- Coupling gel
- Intensity reflection coefficient
- Piezoelectric effect
- Acoustic impedance and reflection
- Acoustic impedance mismatch
- Acoustic matching
Using B-scan in the exam
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