Two pendulums have time-periods T and 5T/4. They start S.H.M. at the same time from the mean position. What will be the phase difference between them after the bigger pendulum has completed one oscillation ?
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a
45º
b
90º
c
60º
d
30º
answer is B.
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Detailed Solution
When bigger pendulum completes one oscillation, smaller Pendulum completes 54oscillation, i.e. difference of 14 oscillation. Hence Φ =90°.
Two pendulums have time-periods T and 5T/4. They start S.H.M. at the same time from the mean position. What will be the phase difference between them after the bigger pendulum has completed one oscillation ?