Question # 1

_____________ is centre from which its mass is equally distributed:

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Cebtre of mass

Centre of gravity

All of above

None

Why a coin stacked over remain undisturbed on pulling the paper strips quickly?

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Due to charge

Due to motion

Due to inertia

Due to material

Kinetic energy of the molecules depends on its:

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Temperature

Surface are

Density

Volume

Kinetic energy is possessed by a body by:

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Virtue of motion

Height

Rest

Nil

Both metals and non-metals transfer:

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Electricity

Heat

Both A and B

None of these

If heat Q flows in time 't' through some metal then rate of flow of heat is defined as

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Flow of heat = 2Qt

Flow of heat = Q/t

Flow of heat = t/Q

Flow of heat = Qt

Which surface is bad emitter:

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White surface

Black surface

Coloured surface

Silver surface

Conduction on heat occur at ________ rate in materials

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Different

Same

Both A and B

None

In a dam the water energy is called:

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Heat energy

Electrical energy

G.P.E

Mechanical enrgy

A black dull surface is a good ________ of heat:

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Emitter

Absorber

Reflector

Both A and B

Fourth state of matter is:

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Solid

Plasma

Liquid

Gas

A measuring cylinder is used to measure.

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Mass

Area

Volume

Level of liquid

Moon complete its one revolution around the earth is ___________ DAYS:

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29

27.3

30

21

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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