Two wires of the same material are stretched with the same force. Their diameters are 1.2 mm and 1.6mm, while their lengths are 90 cm and 60cm respectively. If the frequency of vibrations of first is 256 Hz, find that of the other.

Two wires of the same material and same length have radii 1 mm and 2 mm respectively. Compare : their resistances,

Two wires of the same material and same length have radii 1 mm and 2 mm respectively. Compare : their specific resistance.

Two wire of the same material and length stretched by the same force. If the ratio of the radii of the two wires is n : 1 then the ratio of their elongations is

Two wires of the same material and same cross section are stretched on a sonometer. One wire is loaded with 1.5 kg and another is loaded with 6 kg. The vibrating length of first wire is 60 cm and its fundamental frequency of vibration is the same as that of the second wire. Calculate vibrating length of the other wire.

Two steel wires of lengths 1 m and 2 m have diameters 1 mm and 2mm respectively . If they are stretched by force of 40 N and 80 N respectively, find the ratio of their elongations.

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 wires having same length and material are stretched by same force. Their diameters are in the ratio 1:3. The ratio of strain energy per unit volume for these two wires (smaller to larger diameter) when stretched is

Two wires having same length and material are stretched by same force. Their diameters are in the ratio 1:3. The ratio of strain energy per unit volume for these two wires (smaller to larger diameter) when stretched is