A sonometer wire under a tension of 40 N , vibrates in unison with a tuning fork of frequency 384 Hz. find the number of beats produced in 2 sec when the tension in the wire is reduced by 1.24 N . 2.] A conical pendulum has length 1 m and bob of mass 0.1 kg the angular speed of the bob is 14/√10 rad/sec, find the tension in the string.