A-Level PhysicsYear 2023Q16
page 12 16. Waves from coherent sources, S1 and S2, produce an interference pattern. Maxima are detected at the positions shown. maxima K S1 S2 The path difference S1K − S2K is 154 mm. The wavelength of the waves is A 14.0 mm B 15.4 mm C 25.7 mm D 28.0 mm E 30.8 mm.

Paper Source:NH_Physics_Paper1-Multiple-choice_2023.pdf
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Exam Specification Info
This question is part of the UK A-Level Physics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectPhysics
Official MarksVariable (2–6 marks)