10 A massless rod of length is suspended by two identical

Last updated: 6/30/2023

10 A massless rod of length is suspended by two identical string AB and CD of equal length A block of mass 10 Kg is suspended from point P such that DP is equal to X It is also observed that the frequency of 1st harmonic in AB is equal to 3rd harmonic frequency in CD Then find X C 10 l A B 10 Kg D 9l 10 AP