A string has a mass of 100gm & is under a tension of 10N. What should be its length if the speed of transverse waves is to be 10m/s on the string.(a) 1.8m(b) 10m(c) 1m(d) 2m
The correct answer is (c) 1mTo elaborate: v = √(T/μ),μ = M/L.V^2 = TL/MOr L = v^2M/T= 100 * 0.1/10= 1m.