1.
Two wires of the same length and same material but radii in the ratio of 1 : 2 are stretched by unequal forces to produce equal elongation. The ratio of the two forces is
2.
A steel wire of cross-sectional area can withstand a maximum strain of . Young's modulus of steel is . The maximum mass the wire can hold is
3.
In the Young's experiment, If length of wire and radius both are doubled then the value of will become
4.
The temperature of a wire of length 1 m and area of cross section 1 is increased from . If the rod is not allowed to increased in length, the force required will be and
5.
A wire suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored in the wire is
6.
If in a wire of Young's modulus Y, longitudinal strain X is produced then the potential energy stored in its unit volume will be
7.
Which of the following rods of same material undergoes maximum elongation when subjected to a given force?
8.
When the length of a wire having cross-section area is stretched by 0.1%, then tension in it is . Young's modulus of material of the wire is
9.
If S is stress and Y is Young's modulus of material of a wire, the energy stored in the wire per unit volume is
10.
A cube of aluminium of sides 0.1 m is subjected to a sharing force of 100 N. The top face of the cube is displaced through 0.02 cm with respect to the bottom face. The shearing strain would be