| 1 |
S.I unit of young's modulus is: |
- A. Nm
- B. Nm<sup>-1</sup>
- C. Nm<sup>-2</sup>
- D. Nm<sup>-3</sup>
|
| 2 |
The devise used to measure the atmosphere pressure is: |
- A. Rain gauge
- B. Vacuum cleaner
- C. Screw gauge
- D. Barometer
|
| 3 |
The Young's Modulus of Rubber is: |
- A. 1.40 ×106 N/m2
- B. 1.6× 106 N/m2
- C. 1.4 × 107 N/m2
- D. 0.40 × 108 N/m2
|
| 4 |
The force exerted perpendicularly on unit of area of an object is called:& nbsp |
- A. strain
- B. young's modulus
- C. pressure
- D. buoyant force
|
| 5 |
The unit of density is: |
- A. kg<sup>-1</sup> m<sup>-3</sup>
- B. kg m<sup>-1</sup>
- C. kgm<sup>-3</sup>
- D. kgm<sup>-2</sup>
|
| 6 |
Ships and submarines float partially or completely according to: |
- A. Newton's law
- B. Pascal's law
- C. Principle of floatation
- D. None
|
| 7 |
If a body is at a depth of 'h'form the liquid surface of density 'p' , then <div>the liquid pressure p[' in that body is:</div> |
- A. P = mgh
- B. P = pgh
- C. P = 2mgh
- D. P = mag
|
| 8 |
Liquid pressure at depth h is: |
- A. p/gh
- B. h/pg
- C. pgh
- D. i/pgh
|
| 9 |
Unit of pressure is : |
- A. N/ m
- B. Pa
- C. N
- D. m/N2
|
| 10 |
When the stress crosses the elastic limit, then the body will : |
- A. Break
- B. Permanently deformed
- C. Plasticity
- D. None
|
