Why an aeroplane cannot fly In vacuum ?
Because pilot and passengers will die for lack of oxygen.
Acroplane can fly in vacuum.
Because the propeller will not work and also there will be nothing to support its weight.
None of these.
What is the shape ofwater meniscus in a glass capillary tube ?
It is convex.
It is concave.
It is plane.
It is irregular.
The energy possessed by a body, due to its motion, is known as
Why does a thermos flask keep cold liquid cold and belt liquid hot
Because of a special inner lining in the thermos flask.
Because the thermos flask is double-walled and the spacee, inbetween contains air under pressure.
Because the walls of the thermos flask are very thick.
Because thermos flask is constructed in such a way that heat can neither leave the flask nor enter the flask.
Wny cooking more difficult on the mountains?
Because pressure is low at higher altitudes. Low pressutd lowers the boiling point. Therefore cooking takes longer on the mountains.
Because fuel for cooking is not easily available on the mountains.
Because it is cold on the mountains.
Because there is snowfall on mountains.
Why does a cheap clock lose time in summer ?
1ecause the pendulum gains length in summer.
Because the pendulum loses length in summer.
Because days are longer in summer.
Because the dial of the clock expands in summer.
Why do people prefer to use white clothes in summer ?
Because white clothes absorb less heat.
Because white clothes absorb more heat.
Because white clothes absorb no heat.
Because white clothes shine more in summer.
How will you distinguish between a raw egg and the one that has been hard boiled in its shell ?
Each egg is given a spin on the table. The hard boiled egg will spin longer and faster than the raw egg.
Place both the eggs in glycerine for some time. When they are taken out, the shell of the raw egg would show a greenish yellow tinge.
Each egg is given a spin on the table. The raw egg will spin longer and faster than the hard boiled egg.
They can be distinguished only by breaking the shell.
How the mass of a body changes when it is brought to the moon's surface from earth ?
It does not change.
It may or may not change.
What is the height to which water can be raised by commom water pump ?
1. World Geography -Test-01
2. World Geography -Test-02
3. World Geography -Test-03
4. Geography of India -Test-01
5. Geography of India -Test-02
6. Geography of India -Test-03
7. Geography of India -Test-04
8. Geography of India -Test-05
9. History of India - Test - 01
10. History of India - Test - 02
11. History of India - Test - 03
12. History of India - Test - 04
13. History of India - Test - 05
14. History of India - Test - 06
15. History of India - Test - 07
Celebration of Rakshabandhan
Precautions while using Power Supply
Amazing Science Images You Must See
What to Eat in Orissa
Amazing Facts You Probably Didnt Know
The Coolest Cars at Goodwoods
CITROEN C4 CACTUS
Coming back down to earth, the Citroen C4 Cactus proves that the Goodwood Festival of Speed isnt all about, er, speed .