Question # 1

A body is in neutral equilibrium when its centre of gravity:

Choose an answer

Is at its highest position

Is at the lowest position

Keep its height if displaced

Is situated at its bottom

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

Choose an answer

Kinetic energy

Potential energy

Elastic potential energy

Geothermal energy

The temperature if steam is

Choose an answer

0°C

100°C

273°C

-273°C

The velocity and acceleration of the body moving with uniform speed in a circular path will be:

Choose an answer

In same direction

In opposite direction

Mutually perpendicular

Equal

All divers need to wear seat belt because of effect of:

Choose an answer

Inertia

Gravity

Car force

Nil

If the velocity of a body becomes double, then its kinetic energy will:

Choose an answer

Remain the same

Become double

Become four time

Become half

In prefix form, 0.000001 would be expressed as.

Choose an answer

0.1 mm

0.01 mm

0.001 mm

0.0001 mm

The sum of kinetic energy and potential energy of molecules or atoms is called.

Choose an answer

Temperature

Internal energy

Kinetic energy

Potential energy

Transfer of heat by actual movement of molecules form hot place to cold place is called:

Choose an answer

Conduction

Convection

Radiation

None

Friction is due to

Choose an answer

Roughness

Shape

Smoothness

None

The radius R of Earth is

Choose an answer

6.4 x 106 m

6.4 x 108 m

6.4 x 1010 m

6.4 x 1012 m

A couple consists of how many forces:

Choose an answer

1

2

3

4

A force of 10 N is making an angle of 30o with the horizontal. Its horizontal component will be

Choose an answer

4N

5N

7N

8.7N

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer