| 1 |
Watt -m2 is the unit of |
- A. Energy
- B. Intensity
- C. Power
- D. Work
|
| 2 |
Work has dimension lime |
- A. Torque
- B. Momentum
- C. Velocity
- D. Power
|
| 3 |
Which one is renewable source of energy. |
- A. Coal
- B. Uranium
- C. Biomass
- D. Natural gas
|
| 4 |
The frictional force is |
- A. Conservative force
- B. Non conservative force
- C. Electric force
- D. Magnetic force
|
| 5 |
If a body of mass 5 kg is raised vertically through a distance of 1 m, then work done is. |
- A. 49 J
- B. 4.9 J
- C. 490 J
- D. 0.49 J
|
| 6 |
A body of mass 1.0 Kg dropped from the top of a tower of highest 50 m, what will be its K.E. 10 m below the top |
- A. 400 J
- B. 490 J
- C. 49 J
- D. 98 J
|
| 7 |
Energy dissipated usually appears as |
- A. P.E.
- B. Heat Energy
- C. Chemical energy
- D. Nuclear Energy
|
| 8 |
3 Joules of work id done is 3 seconds, then power |
- A. 6 Watt
- B. 1 Watt
- C. 3 Watt
- D. 2 Watt
|
| 9 |
Salter's duck was invented by |
- A. Newton
- B. Einstein
- C. Prof Salter
- D. Maxwell
|
| 10 |
The work done will be maximum when angle between F and d. |
- A. 180<sup>o</sup>
- B. 0<sup>o</sup>
- C. 90<sup>o</sup>
- D. 60<sup>o</sup>
|