| 1 |
Sunlight is directly transformed to electricity with the help of: |
- A. Solar cells
- B. Diod
- C. Rectifier
- D. Transistor
|
| 2 |
One Btu is equal to. |
- A. 1100 joules
- B. 1055 Joules
- C. 1050 Joules
- D. 1040 Joules
|
| 3 |
The energy due to motion is called. |
- A. Potential energy
- B. Kinetic energy
- C. Nuclear energy
- D. Chemical energy
|
| 4 |
Organic material and their residues are called: |
- A. Biomass
- B. Nuclear waste
- C. Smog
- D. Garbage
|
| 5 |
Cause of air pollution is. |
- A. Carbon Monoxide
- B. Sulphur di oxide
- C. Nitrogen oxide
- D. All of them
|
| 6 |
The solar energy falling on the atmosphere of Earth is almost: |
- A. 1.2 Kilowatt per square meter
- B. 1.4 kilowatt per square meter
- C. 1.6 kilowatt per square meter
- D. 1.8 kilowatt per square meter
|
| 7 |
The energy of moving charges is called: |
- A. Light energy
- B. Heat energy
- C. Chemical energy
- D. Electrical energy
|
| 8 |
The part of atmosphere where all living bodies reside is: |
- A. 8 to 20 kilometers
- B. 8 to 40 kilometers
- C. 8 to 30 kilometers
- D. 2 to 10 kilometers
|
| 9 |
One kilowatt-hour is the amount of energy that is consumed by a ........ applicance in one hour. |
- A. 1000 watt
- B. 100 watt
- C. 10000 watt
- D. 500 watt
|
| 10 |
By burning fossil fuels we get. |
- A. Solar power
- B. Tidal power
- C. Nuclear power
- D. Thermal power
|