Waves Questions

A sonometer wire of length $1.5\text{m}$ is made of steel. The tension in it produces an elastic strain of $1\%$. What is the fundamental frequency of steel if density and elasticity of steel are $7.7\times 10^3{\text{kg/m}}^3$ and $2.2\times 10^{11}{\text{N/m}}^2$ respectively?