The adiabatic elasticity of a gas is equal to
1. γ × density
2. γ × volume
3. γ × pressure
4. γ × specific heat
The compressibility of water is per unit atmospheric pressure. The decrease in volume of 100 cubic centimeter of water under a pressure of 100 atmosphere will be -
1. 0.4 cc
2.
3. 0.025 cc
4. 0.004 cc
If a rubber ball is taken at the depth of 200 m in a pool, its volume decreases by 0.1%. If the density of the water is and , then the volume elasticity in will be
1.
2.
3.
4.
When a pressure of 100 atmosphere is applied on a spherical ball, then its volume reduces by 0.01%. The bulk modulus of the material of the rubber in is:
1.
2.
3.
4.
A uniform cube is subjected to volume compression. If each side is decreased by 1%, then bulk strain is
1. 0.01
2. 0.06
3. 0.02
4. 0.03
A ball falling in a lake of depth \(200\text{ m}\) shows \(0.1\%\) decrease in its volume at the bottom. What is the bulk modulus of the material of the ball
1. \(19 . 6 \times \left(10\right)^{8} \text{ N/m}^{2}\)
2. \(19 . 6 \times \left(10\right)^{- 10}\text{ N/m}^{2}\)
3. \(19 . 6 \times \left(10\right)^{10}\text{ N/m}^{2}\)
4. \(19 . 6 \times \left(10\right)^{- 8}\text{ N/m}^{2}\)
The Bulk modulus for an incompressible liquid is
1. Zero
2. Unity
3. Infinity
4. Between 0 to 1
The ratio of lengths of two rods \(A\) and \(B\) of the same material is \(1:2\) and the ratio of their radii is \(2:1\). The ratio of modulus of rigidity of \(A\) and \(B\) will be:
| 1. | \(4:1\) | 2. | \(16:1\) |
| 3. | \(8:1\) | 4. | \(1:1\) |
When a spiral spring is stretched by suspending a load on it, the strain produced is called:
| 1. | Shearing |
| 2. | Longitudinal |
| 3. | Volume |
| 4. | shearing and longitudinal |
The Young's modulus of the material of a wire is \(6\times 10^{12}~\text{N/m}^2\) and there is no transverse strain in it, then its modulus of rigidity will be:
1. \(3\times 10^{12}~\text{N/m}^2\)
2. \(2\times 10^{12}~\text{N/m}^2\)
3. \(10^{12}~\text{N/m}^2\)
4. None of the above