Question # 1

The study of internal structur eof Earth is called.

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Atomic Physics

Plasma Physics

Geo physics

Nuclear Physics

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

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Solid

Liquid

Gas

Plasma

Rate of doing work is called:

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Energy

Torque

Power

Moment

If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be

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Maximum

Minimum

Zero

None of these

All bodies absorb or emit energy by

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convection

radiation

conduction

both (a) & (c)

How many scales of measurement of temperature are?

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One

Two

Three

Four

The unit of rate of conduction :

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JS^-1

J

K

JK^-1

To make a body more stable ________ should be lowered:

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Axis of rotation

Center of gravity

Stabilty

None

Matter has basically ___________ states.

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4

3

Both a & b

None

If a 20 N wight of block hang with the string vertically then tension in string is:

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0 N

20 N

2 N

10 N

One Megawatt is equal to :

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1 × 106 w

1 × 102 kw

1015 w

Nil

A large water reservoir keeps the temperature of nearby land moderate due to

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Low temperature of water

Low specific heat of water

Less absorption of heat

Large specific heat of water

The velocity of geostationary satellites with respect to the Earth is:

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Maximum

Zero

Minimum

100 ms^-1

What is unit of momentum?

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Kg m/s

m

c

Nil

Parallel forces are those whose:

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^{Times of action are parallel}

Points of action are different

More than one forces

All of the given option

The formula of conversion of Celsius into Kelvin is:

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Tk = 273 - C^o

Tk = 273 + C^o

F = 1.8 + 32

All of these

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

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