Contents
Return after a break
What can you recall?
identify
Recall and explain
Without the reading: a struck tuning fork sends a note through still air to your ear. Match each thing to what it does while the note passes. The last two are Supplement. Use each description at most once; not every description is used.
identify: name or select.
Your saved work
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Scope and sources
Cambridge IGCSE Physics 0625 · 2026–2028 v2 · Original learning materials.
Cambridge IGCSE Physics 0625 (2026–2028): 3.4.1–3.4.5, 3.4.7; Supplement 3.4.10–3.4.11. Echoes, ultrasound and measuring sound speed belong to the next module.
Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.
Official Cambridge syllabus