| 1 |
The country, whihc launched its artificial satellite into space for the first time is. |
- A. America
- B. France
- C. Russia
- D. Pakistan
|
| 2 |
The unit of energy is. |
- A. Newton
- B. Metre
- C. Joule
- D. Second
|
| 3 |
The substances through which current can pass easily are called: |
- A. conductors
- B. insulators
- C. Semi - conductors
- D. Non - Electrolytes
|
| 4 |
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
|
| 5 |
Word"Computer" is derive from. |
- A. Machine
- B. Calculator
- C. Compute
- D. All of these
|
| 6 |
The country, whihc launched its artificial satellite into space for the first time is |
- A. America
- B. France
- C. Russia
- D. Pakistan
|
| 7 |
Phosphorous.... and sulphur 35 are employed on living system to trace metabolic path. |
|
| 8 |
The frequency of the carrier waver used of radio transmission: |
- A. 30 KHZ
- B. 40 KHZ
- C. 50 KHZ
- D. 60 KHZ
|
| 9 |
The cause of thermal pollution; |
- A. only green house effect
- B. only nuclear reactors
- C. only fossil fuels
- D. All , A, B and C
|
| 10 |
The deficiency of elctrons in outermost shell of silicon atom is called. |
- A. Valent shell hole
- B. Doping
- C. Hole
- D. None of these
|
