A-Level
EDEXCEL
Physics
October 2017
1 Marks
QP-201710-Physics-U2 · Question 9
Question (excerpt):
9 An ultrasound pulse‑echo technique is used to produce an image by reflection from many boundaries. If the transmitted pulse is too long, the image produced is of poor quality. This could be because …
9 An ultrasound pulse‑echo technique is used to produce an image by reflection from many boundaries. If the transmitted pulse is too long, the image produced is of poor quality. This could be because …
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