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O-LevelPhysicsWaves5054/12 · Oct/Nov 2015 · Q261 Mark

An ultrasound scanner produces an image of an unborn baby. How does the scanner form an image?

Diagram for this question, from the exam paper

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Afrom ultrasound absorbed by the baby

Bfrom ultrasound emitted by the baby

Cfrom ultrasound reflected by the baby

Dfrom ultrasound refracted by the baby

✓ Correct answer

C: from ultrasound reflected by the baby

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About this question

Topic: Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2015 Paper 1 Variant 2, question 26.

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