1.

In the diagram below, A,B,C,D are four pendulums suspended from the same elastic string PQ. The length of A  and C are equal to each other while the lenght of pendulum B is smaller than that of D. Pendulum A is set in to a mode of vibrations.(i) Name the type of vibrations taking place in pendulums B and D?(ii) what is the state of pendulum C?(iii) State the reason for the type of vibrations in pendulums B and C.

Answer»

(i) Forced vibration 

(ii) Pendulum C is in a state of resonance with Pendulum A. Also they are in the same phase. 

(iii) This is because the time period of pendulum B is different from that of C (since length of the pendulums B and C are different ).



Discussion

No Comment Found

Related InterviewSolutions