Cambridge IGCSE Physics · 3.1 · structured
Speed of a seismic-model wave
General properties of waves · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- routine
- Marks
- 3
- Topics
- 2
- Answer
- Complete
Question3 marks
A seismic-model wave has frequency 115 Hz and wavelength 0.76 m. Calculate its speed.
Task interpretation
What a complete response should do
Build a visible chain from the information given to the quantity or statement requested.
Name the standard relationship first, keep units attached, and show the substitution before the result.
- Response type
- structured
- Allocation
- 3 marks
- Demand
- routine
Ready to check?Reveal answer and worked solution
Private on this device
How did this one feel?
Use your answer and the marking steps—not confidence alone—to choose.