Four pendulums P Q R S are suspended from elastic supports . out of these P and R are of the same length . Q is smaller than P and S is the longest . If the pendulum bob P is displaced to give small vibration
1- amplitude of vibration for S is maximum 2-amplitude of vibration for R is maximum
3- amplitude of vibration for Q is maximum 4- amplitude of vibration for all is same
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Please find below the solution to the asked query:
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Please find below the solution to the asked query:
- This question can be answered on the concept of resonance
- When a body is forced to vibrate with a force of frequency equal to its natural frequency, then the amplitude of vibration becomes maximum
- The pendulums P and R have same natural frequency due to equal length
- Hence, when P is displaced to give a small vibration, then it applied a periodic force on the other pendulums
- As the pendulum R has same natural frequency as that of the pendulum P, it can be concluded that the amplitude of vibration for R is maximum
Hope this information will clear your doubts about Resonance.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.