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O-LevelPhysicsWaves5054/12 · Oct/Nov 2021 · Q281 Mark

Which of the following is most closely associated with echoes?

Afocussing
Breflection
Crefraction
Dtotal internal reflection

✓ Correct answer

B: reflection

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About this question

Topic
Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2021 Paper 1 Variant 2, question 28.

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