Q. 75.0( 1 Vote )

Four pendulums A, B, C and D are suspended from the same



elastic support as shown in Fig. 14.1. A and C are of the same length, while B is smaller than A and D is larger than A. If A is given a transverse displacement,

A. D will vibrate with maximum amplitude.

B. C will vibrate with maximum amplitude.

C. B will vibrate with maximum amplitude.

D. All the four will oscillate with equal amplitude.

Answer :

Time period is for SHM.


Therefore, on giving transverse displacement on a will make all vibrate but the length of a and c are same and thus they will be in resonance and thus c will have max amplitude.


Thus option (b) will be true.

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