Two Simple pendulums A and B of different length are suspended from the same string as shown in the figure. When A is displaced from the mean position it is found that B also starts vibrating.i Name the phenomenon responsible for the vibration of Bii does the frequency of vibration of B depend on its own length or on the frequency of vibration of A .iii What would happen to the amplitude of vibration of B if its length were made equal to that of A .iv Name phenomenon that occurs when the length of B made equal to that of A.

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Forced Oscillations

Two Simple pe...

Question

Free vibration, Independent, Amplitude increases, Resonance

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Forced vibration, Frequency of vibration of A, Amplitude decreases, Resonance

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Forced vibration, Frequency of vibration of A, Amplitude increases, Resonance

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Free vibration, Its length, Amplitude increases, forced vibration

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Solution

The correct option is C
Forced vibration, Frequency of vibration of A, Amplitude increases, Resonance

i) Forced vibration

ii) Frequency of the vibration of A

iii) Amplitude increases

iv) Resonance

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