1 |
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
|
2 |
Work has dimension lime |
- A. Torque
- B. Momentum
- C. Velocity
- D. Power
|
3 |
The value of solar constant. |
- A. 1.4 kW m-2
- B. 1.0 kW m-2
- C. 1.6 kW m-2
- D. 2 kw m-2
|
4 |
The work done in gravitational field |
- A. Depend upon the path
- B. Does not depend upon the path
- C. (+)ve
- D. Zero
|
5 |
Watt -m2 is the unit of |
- A. Energy
- B. Intensity
- C. Power
- D. Work
|
6 |
A body has P.E. = mgh, when it is at height 'h' from the ground. At the point at the distance 'x' below from the top its P.E. with |
- A. mgh
- B. mgx
- C. mg(x-h)
- D. None of these
|
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 |
Salter's duck was invented by |
- A. Newton
- B. Einstein
- C. Prof Salter
- D. Maxwell
|
10 |
Energy dissipated usually appears as |
- A. P.E.
- B. Heat Energy
- C. Chemical energy
- D. Nuclear Energy
|