| 1 |
Work is negative when angle between F and d is |
- A. 45<sup>o</sup>
- B. <sub>0</sub><sup>o</sup>
- C. 90<sup>o</sup>
- D. 180<sup>o</sup>
|
| 2 |
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
|
| 3 |
Which one is non renewable source of energy. |
- A. Hydro electric
- B. Bio mass
- C. Tides
- D. Oil
|
| 4 |
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
|
| 5 |
The formula for the power is |
- A. P= W/d
- B. P=W/v
- C. P=W/t
- D. P=Wt
|
| 6 |
The SI unit of work is |
- A. Newton
- B. Joule
- C. Mol
- D. Calorie
|
| 7 |
Work is a |
- A. Scalar quantity
- B. Vector quantity
- C. Basic quantity
- D. None of these
|
| 8 |
The unit of work in base unit is |
- A. Kg m-1 sec-2
- B. Kgm sec-2
- C. Kgm2 sec-1
- D. Kgm-1 sec-1
|
| 9 |
The space within which gravitational force acts on a body is called |
- A. Electric field
- B. Gravitational field
- C. Magnetic field
- D. Force field
|
| 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>
|
