Abhishek Singh
Last Activity: 10 Years ago
since time period depends on sq. root of length
T1/T2=sqr. root(L1/L2)
= 1.1
it imples T1=1.1T2 ------> 10T1=11T2
it implies after 10 s\oscillations of first pendulum and 10 of the second , they will be again in phase.