Question

In sonometer experiment, string of mass 18 g having linear mass density 20 g/m oscillates in fundamental mode of frequency 50 Hz. Find the velocity of transverse waves in the string. 

(1) 70 m/s 

(2) 60 m/s 

(3) 90 m/s 

(4) 110 m/s

Answer 1

Correct option is (3) 90 m/s