Two wires of copper having the length in the ratio `4 : 1` and their radii ratio as `1 : 4` are stretched by the same force. The ratio of longitudinal strain in the two will be

Two wires of copper having the length in the ratio 2:1 and their radii ratio as 1:2 are stretched by the same force. The ratio of longitudinal strain in the two will be

Two wires of different materials having Young's moduli in the ratio 3 : 5, lengths in the ratio 2 :1 and diameters in the ratio 1 : 2 are stretched with the same force. The ratio of stress in the wires is

Two wires of different materials having Young's moduli in the ratio 3 : 5, lengths in the ratio 2 :1 and diameters in the ratio 1 : 2 are stretched with the same force. The ratio of stress in the wires is

Two wires of the same material have lengths in the ratio 1:2 and diameters in the ratio 2:1 . If they are stretched by the same force, the ratio of their expansion will be

Two steel wires of the same radius have their lengths in the ratio of 1:2 . If they are stretched by the same force, then the strains produced in the two wires will be in the ratio of

Two pieces of wire, A and B of the same material have their lengths in the ratio 1:3 and their diameters are in the ratio 2:1 . If they are stretched by the same force, their elongations will be in the ratio

The ratio of the lengths of two wires A and B of same material is 1:2 and the ratio of their diameter is 2:1 . They are stretched by the same force, then the ratio of increase in length will be

The ratio of the lengths of two wires A and B of same material is 1 :2 and the ratio of their diameters is 2:1. They are stretched by the same force, then the ratio of increase in length will be