A-LevelPhysicsSuperposition9702/12 · Oct/Nov 2013 · Q251 Mark

The diagram shows a sketch of a wave pattern, over a short period of time. [Figure 25.1] Which description of this wave is correct?

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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.

✓ Correct answer

D: The wave is transverse, has a wavelength of 40 cm and is stationary.

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Topic: Superposition, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2013 Paper 1 Variant 2, question 25.

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