Question # 1

In which of the following state molecules don not leave their position?

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Solid

Liquid

Gas

Plasma

Conduction on heat occur at ________ rate in materials

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Different

Same

Both A and B

None

An instrument is used for measuring temperature is called:

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Barometer

Thermometer

Voltmeter

None of above

Shining silvered surface is a best:

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Emitter

Absorber

Reflector

None of these

When a body is lifted through a height the work done on its appears in the form of its:

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Kinetic energy

Potential energy

Elastic potential energy

Geothermal energy

Earth's gravitational force of attraction vanishes at:

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6400 km

Infinity

42300 km

1000 km

S.I unit of pressure is :

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Nm^-2

Newton

Joule

Watt

According to hook's law stress is directly proportional to :

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Area

Volume

Strain

Force

Acceleration is produced by 20 N force it is due to:

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Inertia

Force

Momentum

None

Newton's law of gravitation resembles with

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1st law of motion

2nd law of motion

3rd law of motion

Law of gravitation

When a body is lifted through height h, the work done on it appears in the form of its

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Kinetic energy

Potential eneger

Elastic potential energy

Geothermal energy

Significant figures in 0.0010 are.

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One

Two

Three

Four

Water on cooling below 4 ^oC begins to:

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Expand

Contract

Boils

None of these

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

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