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

Question # 1

Running water possess energy:

Choose an answer

Kinetic

Potential

Elastic Potential energy

Gravitational potential energy

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Question # 2

During recent years the percentage of __________ increased considerably on earth:

Choose an answer

Carbon dioxide

Nitrogen

Oxygen

Methane

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Question # 3

Such state of matter which has no specific shape is called:

Choose an answer

Solid

Liquid, Gas

Gas

Solid and plasma

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Question # 4

Specific heat of water is how many times greater than that of dry soil?

Choose an answer

two times

three time

four times

five times

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Question # 5

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

Choose an answer

5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

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Question # 6

Thermal conductivities of Lead

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Question # 7

Glass and transparent polythene sheets allow radiations of wavelength to pass through them:

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Long

Medium

Short

All

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Question # 8

In summers the railways bends due to:

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Expansion

Contraction

Both

None

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Question # 9

The eleventh general conference was held in Paris in.

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1959

1961

1660

1960

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Question # 10

Which of the following relation is correct?

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F = m/a

F = m-a

F = ma

F = m + a

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Question # 11

If the mass of a body is 'm' and change in its temperature isΔT, then the heat absorbed or released is given by

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ΔQ = cmΔT

ΔQ = mΔT

ΔQ = 2cΔT

ΔQ = cmΔT2

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Question # 12

Convection of heat is the process of heat transfer due to the:

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Random motion of molecules

Downward movement of molecules

Upward movement of molecules

Free movement of molecules

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Question # 13

Which of the substance is heaviest?

Choose an answer

Copper

Mercury

Aluminum

Lead

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