| 1 |
Bio mass is converted into fuel by |
- A. Evaporation
- B. Fermentation
- C. Reflection
- D. Scattering
|
| 2 |
A body has P.E. = mgh, when it is at height 'h' from the ground. At the point at the distance 'x' below from the top its P.E. with |
- A. mgh
- B. mgx
- C. mg(x-h)
- D. None of these
|
| 3 |
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
|
| 4 |
Hot igneous rocks, usually in molten or partly molten state are found in the depth of |
- A. 5 km
- B. 10 km
- C. 15 km
- D. 20 km
|
| 5 |
The dimension of power is |
- A. MLT-1
- B. ML2T-2
- C. ML2T2
- D. ML2T-3
|
| 6 |
Energy dissipated usually appears as |
- A. P.E.
- B. Heat Energy
- C. Chemical energy
- D. Nuclear Energy
|
| 7 |
Work has dimension lime |
- A. Torque
- B. Momentum
- C. Velocity
- D. Power
|
| 8 |
The ability of a body to do work is called its |
- A. Force
- B. Power
- C. Capacity
- D. Energy
|
| 9 |
1 KWh = |
- A. 3.6 x 10<sup>3</sup>K
- B. 3.6 x 10<sup>6</sup>K
- C. 3.6 x 10<sup>9</sup>J
- D. 3.6 x 10<sup>12</sup>J
|
| 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>
|
