Hookes law Multiple Choice Questions (MCQ) PDF Download

MCQ 1: If a 1 m long steel wire having area 5 * 10^-5 is stretched through 1 mm by force of 10, 000 N then young modulus of wire is

1. 2 * 10¹¹ N m^-2
2. 3 N m^-4
3. 4 N m^-2
4. 5 N m^-2

MCQ 2: The SI unit of power is Young's modulus is

1. Nm^-3
2. Nm⁴
3. Nm^-2
4. Nm^-1

MCQ 3: The maximum limit up to which stress is applied on the body without deformation is called

1. limit
2. elastic limit
3. strain
4. torque

MCQ 4: If the length of wire is 1 m and cross-sectional area 5×10^-5 m², when the wire stretched through 1 mm by a force of 10,000 N. The Young's modulus of the wire would be

1. 2×10⁵ Nm^-2
2. 2×10⁹ Nm^-2
3. 2×10⁸ Nm^-2
4. 2×10¹¹ Nm^-2

MCQ 5: The ratio of stress to strain is

1. 1
2. 0
3. 3
4. constant