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

Question # 1

As we go up the density of air in the atmosphere:

Choose an answer

Decreases

Increases

Remain constnat

None of these

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Question # 2

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

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Kinetic energy

Potential energy

Elastic energy

Geothermal energy

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Question # 3

Two equal but unlike parallel forces having different lines of action produce:

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a Torque

a couple

Equilibrium

Netural equilibrium

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Question # 4

Heat travels from __________

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Colder to hotter

Hotter to colder

Both a & b are possible

None of above

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Question # 5

Moon is nearly km away from the Earth:

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3,80,000 km

3800 km

3,80 km

38 km

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Question # 6

The value of gravitational constant "G" is Nm² kg^-2

Choose an answer

6.67 x 10^-21

6.67 x 10^-11

6.67 x 10^-23

6.67 x 10¹¹

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Question # 7

States of equilibrium are:

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Question # 8

More radiation is reflected by the surface:

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White

Coloured

Black

Rough

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Question # 9

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

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Question # 10

PQ & RS are 2 parallel forces moving in same direction than they are called ............... forces.

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Like parallel

Unlike

Parallel

Nil

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Question # 11

Celsius temperature is converted into Fahrenheit temperature using the formula

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F = 1.8 C + 32

F = 1.8 C - 32

F = 1.4 C + 32

F = 1.4C - 32

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Question # 12

In SI system , unit of density is:

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kgm^-1

kgm^-3

kgm^-2

kgm

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Question # 13

What should be approximate length of a glass tube to construct of water barometer?

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0.5 m

1 m

2.5 m

11 m

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