| 1 |
The resistance of carbon --------- with rise in the temperature
|
Increase <br>
Decreases <br>
Remain the same<br>
Fluctuate<br>
|
| 2 |
Which constitute current in a metal wire?
|
Electrons <br>
Protons <br>
Atoms <br>
Molecules <br>
|
| 3 |
The length of an earth day is determined by the time required for approximately one
|
Earth rotation <br>
Earth revolution <br>
Sun rotation <br>
Sun revolution <br>
|
| 4 |
Ludington, Michigan has the biggest ______ storage system in the world
|
Compressed air <br>
Chemical <br>
Superconducting <br>
Pumped hydroelectric <br>
|
| 5 |
Escape velocity is:
|
The minimum velocity required by a projectile to escape form a particular<br>
The velocity of a comet<br>
Velocity required for a satellite to move <br>
Velocity required for a satellite to re-enter earth's atmosphere <br>
|
| 6 |
An artificial earth satellite is said to be in geostationary orbit when
|
It is so placed in the space that it does not move <br>
It remains stationery in relation to earth <br>
Its course is governed by terrestrial gravity <br>
it is made to stay in one place in obedience to commands form a space center on earth <br>
|
| 7 |
A gradual ruse in a barometer high indicates
|
Approach of fair weather <br>
Approach of immediate storm<br>
Likelihood of rainfall <br>
Nothing significant<br>
|
| 8 |
Which of the most dense planet of our solar system?
|
Sun <br>
Jupiter<br>
Mercury <br>
Earth<br>
|
| 9 |
What is the lunar sea:
|
A small sea on the moon <br>
A dark plain on the moon <br>
A small sea to the south of south America <br>
None of these<br>
|
| 10 |
Which of the following is known as the morning star?
|
Saturn <br>
Venus <br>
Jupiter <br>
Mars <br>
|
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