At what temperature water has maximum density ?
0 degree C.
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.
How much volume of ice is inside the water when ice floats on water ?
7/10 of its total volume.
8/10 of its total volume.
9/10 of its total volume.
1/2 of its total volume.
Which of the two is more elastic, rubber or steel ?
Rubber is more elastic than steel.
Steel is more elastic than rubber.
Both are equally elastic.
Only the rubber is elastic. Steel is a plastic body.
Why wet clothes dry more quickly on a warin day than on a cold day ?
Because wind blows faster on warm days.
Because humidity is less on warm days.
Because high temperature of air fastens' evaporation.
ecause clothes expand on warm days. Thus more surface area is exposed.
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.
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.
Why is it easier to lift a heavy stone under water than in air ?,
Because the gravitational pull of the earth is less in water than in air.
Because water offers comparatively less resistance to the motion of the stone.
Because water cools the stone.
Because there is an apparent loss in weight, of the stone, in water.
Why cream separates out when milk is churned ?
Because cream particles are lighter than milk particles.
Because cream particles are heavier than milk particles -
Because the force of adhesion between the molecules of cream and milk is very weak.
Because of none of these reasons.
Why a metal tea-pot is provided with an ebonite handle ?
Because ebonite is a bad conductor of heat. Therefore it does not get hot easily.
Because it is unbreakable.
Because ebonite is very beautiful to look at.
Because it is a cheaper material.
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
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Rules to play Shot Put
Complete the spin to keep your balance
Your push should be strong enough to keep you spinning after the shot is released. Hop on your left foot one or two times to complete the spin, without falling outside the circle.