Question # 1

A body is in neutral equilibrium when its centre of gravity:

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Is at its highest position

Is at the lowest position

Keep its height if displaced

Is situated at its bottom

Process by which liquids changes into vapors is ............... .

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Vaporization

Evaporation

Boiling

None of above

1000 liters is equal to:

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100 m³

1 m³

1 cm³

1 mm³

A couple is formed by:

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two forces perpendicular to each other

Two like parallel forces

To equal and opposite forces in the same line.

Two equal and opposite forces not in the same line

The changing of a liquid into vapours from the surface of the liquid without heating:

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Cooling

Vaporization

Evaporation

Sublimation

Near the earth surface the gravitational field strength is:

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1 N kg^-1

10 N kg^-1

100 N kg^-1

101 N kg^-1

Weight of the body is due to the :

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Gravitation force

Centripetal force

Centrufugal force

All of the above

The least count of vernier callipers is.

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.01 mm

0.1 mm

.001 mm

.01 m

Prefix naming as Giga has a symbol.

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M

G

m

g

When a substance is changed from its solid state to liquid state by adding heat, the process is called

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Melting

Fusion

Freezing

A and B both

Sin 45^ois

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0.707

0.5

1

0.2

Mercury is denser than water by time:

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13,6

10

15

20

___________ specific heat of water is benefits in sustaining life.

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High

Low

Medium

None

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