| 1 |
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
|
| 2 |
The SI unit of power is |
- A. Joule
- B. Newton
- C. Watt
- D. Kilowatt
|
| 3 |
Watt -m2 is the unit of |
- A. Energy
- B. Intensity
- C. Power
- D. Work
|
| 4 |
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
|
| 5 |
_______ is bio fuel |
- A. Water
- B. Petrol
- C. Ethanol
- D. Oil
|
| 6 |
Which one is non renewable source of energy. |
- A. Hydro electric
- B. Bio mass
- C. Tides
- D. Oil
|
| 7 |
3 Joules of work id done is 3 seconds, then power |
- A. 6 Watt
- B. 1 Watt
- C. 3 Watt
- D. 2 Watt
|
| 8 |
Bio mass is converted into fuel by |
- A. Evaporation
- B. Fermentation
- C. Reflection
- D. Scattering
|
| 9 |
The work done in gravitational field |
- A. Depend upon the path
- B. Does not depend upon the path
- C. (+)ve
- D. Zero
|
| 10 |
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
|
