A copper rod of diameter 1 cm. and length 8 cm. is drawn into a wire of length 18 m of uniform thickness. Find the thickness of the wire.

A copper wire of length 1m is stretched by 1cm. Find the strain on the wire

A tungsten wire of length 20cm is stretched by 0.1cm. Find the strain on the wire.

2.2 cubic Dm of brass is to be drawn into a cylinderical wire 0.25 cm in diameter. Find the length of the wire.

66 cubic centimeters of silver is drawn into a wire 1 mm in diameter. What will be the length of the wire in meters.

A brass wire of diameter 1mm and of length 2m is stretched by applying a force of 20N. If the increase in length is 0.51mm, find i) the stress, ii) the strain and iii) the young's modulus of the wire.

In a circle of diameter 40 cm, the length of a chord is 20 cm. Find the length of minor arc of the chord.