| 1 |
Original source of energy for biomass is |
- A. Earth
- B. Star
- C. Moon
- D. Sun
|
| 2 |
Watt -m2 is the unit of |
- A. Energy
- B. Intensity
- C. Power
- D. Work
|
| 3 |
Energy dissipated usually appears as |
- A. P.E.
- B. Heat Energy
- C. Chemical energy
- D. Nuclear Energy
|
| 4 |
The frictional force is |
- A. Conservative force
- B. Non conservative force
- C. Electric force
- D. Magnetic force
|
| 5 |
When the rocket moves away from the earth, the work against gravity |
- A. Remains constant
- B. Varies directly with distance
- C. Varies inversely with distance
- D. Varies inversely with square of distance
|
| 6 |
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
|
| 7 |
Kilo watt hour is the unit of |
- A. Power
- B. Energy
- C. Force
- D. Torque
|
| 8 |
The tides raise in the sea roughly |
- A. Once a day
- B. Twice a day
- C. Three a day
- D. Four time a day
|
| 9 |
Work is a |
- A. Scalar quantity
- B. Vector quantity
- C. Basic quantity
- D. None of these
|
| 10 |
Bio mass is converted into fuel by |
- A. Evaporation
- B. Fermentation
- C. Reflection
- D. Scattering
|