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O-LevelPhysicsWaves5054/11 · May/June 2022 · Q201 Mark

A sound wave refracts as it passes from air to water. Which quantities change?

Aspeed and frequency only
Bspeed and wavelength only
Cwavelength and frequency only
Dspeed, frequency and wavelength

✓ Correct answer

B: speed and wavelength only

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About this question

Topic
Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2022 Paper 1 Variant 1, question 20.

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