Physics (AS & A Level) · Oct / Nov 2019 · Paper 13 · Question 28
9702Stationary waves
The diagram shows a sketch of a wave pattern over a short period of time. Which description of this wave is correct?
- AThe wave is longitudinal, has a wavelength of 20 cm and is stationary.
- BThe wave is transverse, has a wavelength of 20 cm and is stationary.
- CThe wave is transverse, has a wavelength of 40 cm and is progressive.
- DThe wave is transverse, has a wavelength of 40 cm and is stationary.
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Correct answer: D. The wave is transverse, has a wavelength of 40 cm and is stationary.
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