Question # 1

The temperature of a black dull surface on heating :

Choose an answer

Rise Rapidly

Fall Rapidly

Becomes zero

Remain constant

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

Choose an answer

Kinetic energy

Potential energy

Elastic energy

Geothermal energy

The mathematical form of law of gravitation is:

Choose an answer

F = GMe m/Re2

F = Gm1m2/r2

F = GMem1/Re2r2

None

The main source of energy in the unierse is:

Choose an answer

Moon

Stars

Sun

Planets

Thermal conductivities of Lead

Choose an answer

23

30

35

85

The altitude of geostationary orbits in which communication satellites are launched above the surface of the Earth.

Choose an answer

850 km

1000 km

6400 km

42,300 km

Quantities between which a graph is plotted are called.

Choose an answer

Scalars

Vectors

Variables

None

Specific heat of water is J kg^-1 K^-1IS:

Choose an answer

4200

4000

1000

2500

Centripetal acceleration of a body is given by formula:

Choose an answer

a_c=v/r

a_c=mv²/r

a_c=v/r²

a_c=v2/r

The slope of speed time graph is called.

Choose an answer

Distance

Displacement

Acceleration

Velocity

Kilowatt - hour is unit of _____________

Choose an answer

Power

Energy

Work

K.e

Science is that word which is derived by Latin word.

Choose an answer

Scient

Scientis

Scientia

Sciincet

The Earth attracts a body with a force equal to its:

Choose an answer

Velocity

Gravity

Weight

Mass

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