InterviewSolution
Saved Bookmarks
| 1. |
Pendulum A and B having periodic times 4 s and 4.2 s, are made to oscillate simultaneously. At time t = 0, they are in the same phase. After how many complete oscillations of A, they will be again in the same phase?A. 7B. 14C. 21D. 28 |
|
Answer» Correct Answer - C `(T_(2))/(T_(1))=sqrt((g_(1))/(g_(2)))=sqrt((M_(2))/(M_(1))xx((R_(1))/(R_(2)))^(2))=sqrt((1)/(2)xx4)` `T_(2)=T_(1)sqrt(2)" "2sqrt(2)s`. |
|