Question # 1

The centre of gravity of uniform triangle is:

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Point of intersection of medians

On its vertex

On middle point of its axis

Point of intersection of diagonal

Matter has basically ___________ states.

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4

3

Both a & b

None

In reading 27.5 first two digits are accurate while third one is.

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Accurate

Correct

Doubtful

In correct

Mercury is used as thermometric material because it has

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Uniform thermal expansion

Low freezing point

Small heat capacity

All the above properties

The example of bad conductor is:

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Wool

Copper

Gold

Iron

Formula of Gravitational potential energy is:

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mgh

mg/h

1/2 mv²

None of these

Coloured surface is a

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Best emitter

Good emitter

Bad emitter

Wrost emitter

Moon is ____ satellite.

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Natural

Communications

Artificial

Geostationary

A mass of a body:

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Decreases when accelerated

Increases when accelerated

Decreases when moving with velocity

None of the above

If 'm' is a mass of a body and 'c' is its specific heat, then its heat capacity is a given by

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m/c

c/m

mc

mc2

If force is 200 N and length of spanner is 0.15 then torque will be:

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30 Nm

15Nm

20 Nm

10 Nm

The earth also completes its one revolution about its axis in.

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1 Hours

6 Hours

13 Hours

24 Hours

Poor conductor of heat is:

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Copper

Aluminium

Water

Iron

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