| 1 |
Unit of strain is: |
- A. Nm<sup>-2</sup>
- B. Nm
- C. N
- D. No unit
|
| 2 |
If force will be applied on smaller area, pressure will become: |
- A. Much less
- B. Zero
- C. More
- D. Less
|
| 3 |
The force acting on unit area at surface of a body is called: |
- A. Strain
- B. Elasticity
- C. Force
- D. Stress
|
| 4 |
Stress is defined as |
- A. Stress = Force/ Area
- B. Stress = Area/Force
- C. Stress = Area/ Volume
- D. Stress = Mass/ Volume
|
| 5 |
According to Archimedes, upthrust is equal to |
- A. Weight of displaced liquid
- B. Volume of displaced liquid
- C. Mass of displaced liquid
- D. None of these
|
| 6 |
Rate of doing work is called |
- A. Energy
- B. Torque
- C. Power
- D. Momentum
|
| 7 |
If K = 150 N/m and elasticity is 0.20 m than: |
- A. F = 30N
- B. F= =31N
- C. F = 32N
- D. F = 29N
|
| 8 |
At sea level , Atmosphere pressure is: |
- A. 101,300 Pa
- B. 101,400 Pa
- C. 101,500 Pa
- D. 101, 600 Pa
|
| 9 |
Mass per unit volume is: |
- A. Velocity
- B. Work
- C. Density
- D. None
|
| 10 |
At sea level, the height of mercury column in mercury barometer is approximately: |
- A. 72 cm
- B. 74 cm
- C. 76 cm
- D. 78 cm
|
