| 1 |
Water stored in a dam exerts pressure
|
Mostly downward <br>
Mostly upward <br>
In all derections <br>
Mostly on the sides <br>
|
| 2 |
Cylindrical lens is used by a person suffering from:
|
Astigmatism <br>
Myopia <br>
Hypermetropia <br>
Presbyopia<br>
|
| 3 |
A jet plane flies in the air because:
|
The thrust of the jet compensates for the force of gravity<br>
The weight of the air whose volume is equal to the volume of he plane is more than the weight of the plane<br>
The flow of the air around the wings causes an upward force, which compensates for the force of gravity<br>
Gravity does not act on bodies moving at high speed <br>
|
| 4 |
By opening the door of a refrigerator which is inside a room
|
You can cool the room to a certain degree <br>
You can cool the room to the temperature inside the refrigerator<br>
You ultimately warm the room slightly<br>
You an neither cool nor warm the room<br>
|
| 5 |
When an iron ball and a wooden ball of the same mass are released from a height to the air:
|
the iron ball will earlier<br>
the wooden ball will hit the same time <br>
Both the balls will hit the ground at the same time<br>
There is equal probability for the wooden and iron balls to hit the ground at the same time<br>
|
| 6 |
A marksman is firing at a target, So that he should be able to hit the target, the line of the barre of the gun should point:
|
Below the target <br>
Straight at the target <br>
above the target <br>
towards the right side of the target<br>
|
| 7 |
A fisherman sitting on the bank of a pond trying to spear a fish should aim:
|
Directly at the point where he sees the fish <br>
A little below where he sees the fish <br>
A little above where he sees the fish <br>
at an angle to the fish<br>
|
| 8 |
An electric bulb produces loud sound when broken because?
|
Air rushes into the produces loud in the bulb<br>
The gas inside it explodes <br>
the glass is brittle <br>
the gas inside it suddenly expands <br>
|
| 9 |
Oil rises up the wick in a lamp, the principle involves?
|
The diffusion of oil thought the wick <br>
The liquid state of oil<br>
Capiillary action phenomenon <br>
Volatility of oil<br>
|
| 10 |
The ink of the pan leaks out in an aeroplane because
|
Atmospheric pressure increases<br>
Pressure of ink inside is more than the ambient pressure <br>
High sped of aeroplane<br>
Temperature difference<br>
|
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