IB Physics SL C.4.1 Standing wave formation
Practise explaining how a standing wave forms when a travelling wave reflects at a boundary and superposes with the incoming wave.
- Syllabus
- First assessment 2025
- Objective
- —
- Level
- SL
Exam points
- use a wave diagram to show reflection at the boundary and superposition of opposite-travelling waves
- state that fixed node and antinode positions come from constructive and destructive interference on the diagram
C.4.1—Standing wave formation question 1
A loudspeaker emits sound of frequency 210 Hz into a pipe with one open and one closed end. The diagram shows a representation of the standing wave established in the pipe.
Outline how the standing wave is formed in the pipe.
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