| 1 |
By increasing the amount of stretch in spring the force exerted will |
- A. Increase
- B. One watt
- C. One erg
- D. One joule
|
| 2 |
The dimensions of work are |
- A. MLT<sup>-1</sup>
- B. MLT<sup>-2</sup>
- C. ML<sup>2</sup>T<sup>-2</sup>
- D. ML<sup>-1</sup>T<sup>-1</sup>
|
| 3 |
Original source of energy for biomass is |
- A. Earth
- B. Star
- C. Moon
- D. Sun
|
| 4 |
3 Joules of work id done is 3 seconds, then power |
- A. 6 Watt
- B. 1 Watt
- C. 3 Watt
- D. 2 Watt
|
| 5 |
The work done in gravitational field |
- A. Depend upon the path
- B. Does not depend upon the path
- C. (+)ve
- D. Zero
|
| 6 |
The frictional force is |
- A. Conservative force
- B. Non conservative force
- C. Electric force
- D. Magnetic force
|
| 7 |
Which one is non renewable source of energy. |
- A. Hydro electric
- B. Bio mass
- C. Tides
- D. Oil
|
| 8 |
A body of mass 2 kg moving with velocity of 4 ms-1 has K.E. equal to. |
- A. 16 J
- B. 8 J
- C. 32 J
- D. 2 J
|
| 9 |
The power needed to lift a mass of 5000 g to height of 1 m in 2 secnd is |
- A. 2.45 watt
- B. 24.5 watt
- C. 245 watt
- D. 2.45 watt
|
| 10 |
The dimensions of work are. |
- A. [MLT-1]
- B. [MLT-2]
- C. [ML2T-2]
- D. [MLT]
|
