Forced vibrations and resonance (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the natural frequency of an object?
What is the natural frequency of an object?
Its inherent rate of oscillation
What type of vibration occurs without a continuous external force?
What type of vibration occurs without a continuous external force?
Free vibrations
What is the frequency of an external force causing oscillations called?
What is the frequency of an external force causing oscillations called?
Driving frequency
When does resonance occur?
When does resonance occur?
When driving freq. matches natural freq.
What happens to amplitude during resonance?
What happens to amplitude during resonance?
It increases significantly
What does air resonating inside a flute create?
What does air resonating inside a flute create?
A stationary sound wave
How do radio circuits select broadcast signals?
How do radio circuits select broadcast signals?
By resonating at specific frequencies
What risk occurs if a bridge's natural freq. matches the driving freq.?
What risk occurs if a bridge's natural freq. matches the driving freq.?
Violent oscillation and damage
What is damping?
What is damping?
Reduction of energy in oscillating system