Two wires of radii `r` and `2 r` are welded together end to end . The combination is used
Channel: Doubtnut
Date: 26/07/2020

Two wires of radii `r` and `2 r` are welded together end to end . The combination is used as a sonometer wire and is kept under a tension `T`. The welded point lies midway between the bridges. The ratio of the number of loops formed in the wires , such that the joint is a node when the stationary waves are set up in the wire is