List of top Physics Questions on mechanical properties of solids asked in KEAM

If the ratio of the Young's moduli and densities of two rods of different materials are respectively, \(3:2\) and \(3:1\), then the ratio of the velocities of sound in the rods is

Two wires A and B of same material and of equal length with the radii in the ratio 1 : 2 are subjected to identical loads. If the length of A increases by 8 mm, then the increase in length of B is

A metallic bar of coefficient of linear expansion \(10^{-5}\,\text{K}^{-1}\) is heated from \(0^\circ C\) to \(100^\circ C\). The percentage increase in its length is