Resonance
At resonance, amplitude is maximum when driving frequency equals:
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About This Question
- Subject
- physics
- Chapter
- oscillations and waves
- Topic
- resonance
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Natural frequency
Resonance occurs when a system is driven by an external periodic force whose frequency matches the system's own natural frequency of oscillation (fdrive≈fnatural).
- In this state, the system absorbs energy from the driver very efficiently, leading to a dramatic increase in the amplitude of oscillation.
- Examples include a child on a swing or the collapse of the Tacoma Narrows Bridge.
This medium difficulty physics question is from the chapter oscillations and waves, covering the topic of resonance. It appeared in the 2025 exam.
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