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Four pendulums A, B, C and D are suspend...

Four pendulums A, B, C and D are suspended from the same elastic support as shown in figure. A and C are of the same length, while B is smaller than A and D is larger them A. If A is given a transverse displacement,

A

D will vibrate with maximum amplitude

B

C will vibrate with maximum amlitude

C

B vibrate with maximum amplitude

D

All the four will oscillate with equal amplitude

Text Solution

Verified by Experts

The correct Answer is:
C
Though the elastic support the disturbance is transferred to all the pendulum. A and C are having same length, hence they will be in resonance and so its amlitude of A and C will be maximum. Here we have assessed that support is completely elastic and hence no damped oscillation occur.
Since length of pendulum A and C is same and amplitude of A and C are maximum. Here we have assessed that support is completely elastic and hence no damped oscillation.
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