| 1 |
One Megawatt is equal to : |
- A. 1 × 106 w
- B. 1 × 102 kw
- C. 1015 w
- D. Nil
|
| 2 |
When a body is lifted through height h, the work done on it appears in the form of its |
- A. Kinetic energy
- B. Potential eneger
- C. Elastic potential energy
- D. Geothermal energy
|
| 3 |
If the velocity of the body becomes double then its kinetic energy will: |
- A. Remain the same
- B. Become double
- C. Become four times
- D. Become half
|
| 4 |
The unit of kinetic energy is: |
|
| 5 |
The power of electric kettle is 500W and takes 2s to heat up, find heat generated? |
- A. E = 250 w
- B. E = 1000 w
- C. E = 10000 J
- D. 1KJ
|
| 6 |
The energy possessed by a body due to height is called: |
- A. P.E
- B. K.E
- C. Both
- D. None
|
| 7 |
A crate is moved by pulling the rope attached to it. it moves 10 m on straight horizontal read by a force of 100 N. How much work will be done when the rope is making an angle of 30° with the road? |
- A. 5 Joules
- B. 86 Joules
- C. 707 Joules
- D. 866 Joules
|
| 8 |
Solar cell is are also known as: |
- A. Electric cell
- B. Photo Cell
- C. Sun cells
- D. Nuclear cells
|
| 9 |
1 hp is equal to : |
- A. 747 W
- B. 746 W
- C. 748 W
- D. 1000 W
|
| 10 |
The product of force and distance is : |
- A. Force
- B. Work
- C. Torque
- D. Nil
|
