Shear Strain

Q. Which of the following statements are true regarding a transverse wave?

1. Particles oscillate about their mean positions.
2. The direction of oscillation of particles is perpendicular to the direction of wave propagation.
3. The direction of oscillation of particles is parallel to the direction of wave propagation.
4. Particles do not oscillate about their mean positions.

Q.

A cube of aluminium of sides 0.1 m is subjected to a shearing 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

1. 0.02

2. 0.1

3. 0.005

4. 0.002

Q. A cube of aluminium of sides 0.1 m is subjected to a shearing 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

1. 0.02
2. 0.1
3. 0.005
4. 0.002

Q.

The upper end of a wire of radius 4 mm and length 100 cm is clamped and its other end is twisted through an angle of ${30}^o$. Then angle of shear is

1. 12°

2. 0.12°

3. 1.2°

4. 0.012°

Q. Which of the following statements are true regarding a transverse wave?

1. Particles oscillate about their mean positions.
2. The direction of oscillation of particles is perpendicular to the direction of wave propagation.
3. The direction of oscillation of particles is parallel to the direction of wave propagation.
4. Particles do not oscillate about their mean positions.

Q.

The reason for the change in shape of a regular body is

1. Longitudinal strain

2. Metallic strain

3. Volume stress

4. Shearing strain

Q.

When a spiral spring is stretched by suspending a load on it, the strain produced is called

1. Shearing

2. Longitudinal

3. Volume

4. Transverse