119. A substance breaks down by a stress of
A substance breaks down by a stress of 106 N/m2. If the density of the material of the wire is 3×103 kg/m3, then the length of the wire of the substance which will break under its own weight when suspended vertically, is
(a) 66.6 m (b) 60.0 m
(c) 33.3 m (d) 30.0 m
Answer-c
(7)