IB Physics SL C 4 4 Resonance Questions
Practise IB Physics SL C.4.4 by relating driving frequency to natural frequency and explaining amplitude changes at resonance.
- Syllabus
- First assessment 2025
- Course
- Physics SL
- Level
- SL
Exam points
- Identify resonance when driving frequency matches the natural frequency.
- Interpret amplitude–frequency graphs and locate the resonant peak.
- Explain useful or harmful resonance in instruments, machinery and microwave heating.
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IB Physics SL C 4 4 Resonance Questions question 1
This question is in two parts. Part 1 is about solar radiation and the greenhouse effect. Part 2 is about a mass on a spring.
Part 1 Solar radiation and the greenhouse effect
The following data are available.
Point P now begins to move from side to side with a small amplitude and at a variable driving frequency f. The frictional force is still small.
At each value of f, the object eventually reaches a constant amplitude A.
The graph shows the variation with f of A.
With reference to resonance and resonant frequency, comment on the shape of the graph.
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