Young's Modulus of Elasticity
Trending Questions
Q. To break a wire, a force of 106Nm2 is required. If the density of the material is 3×103kg/m3, then the length of the wire which will break by its own weight will be
- 34 m
- 30 m
- 300 m
- 3 m
Q.
A uniform steel wire of length 4 m and area of cross-section 3×10−6 m2 is extended by 1 mm by the application of a force. If Young's modulus of steel is 2×1011 Nm−2, the energy stored in the wire is
0.100 J
0.025 J
0.075 J
0.050 J
Q.
Two wires A and B of same length and of the same material have the respective radii r1 and r2. Their one end is fixed with a rigid support, and at the other ends equal twisting couple is applied. Then the ratio of the angle of twist at the end of A and The angle of twist at the end of B will be