Physics A-Level
Depth calculation from echo time
What Depth calculation from echo time means in Physics A-Level, as defined for AQA.
Definition of Depth calculation from echo time
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Reference: AQA
Depth is found from the echo time using distance = speed × time ÷ 2, since the pulse travels to the boundary and back.
Topics that use Depth calculation from echo time
- Ultrasound imaging (A-level only) (AQA A-Level)
Related terms
- A-scan
- Acoustic impedance
- Acoustic impedance and reflection
- Attenuation and penetration
- B-scan
- Comparison with X-ray, CT and MRI
- Coupling gel
- Intensity reflection coefficient
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