Question # 1

If no external force acting on a body then such system is called.

Choose an answer

Ideal system

Controlled system

Isolated system

None

In symbols, Newton's second law of motion is stated as

Choose an answer

F = m/a

F = ma

F = a/m

F = ma²

The temperature at which a solid start melting is:

Choose an answer

Freezing point

Melting point

Fusion point

Both B and C

Displacement is a quantity.

Choose an answer

Scalar

Vector

Both a and b

None of these

The bad conductor of heat is:

Choose an answer

Iron

Copper

Air

Aluminum

The brids stretch out their wings and circle in the rising currents of hot air called

Choose an answer

conduction

convection

radiation

thermals

In gases, heat in mainly transferred by:

Choose an answer

Molecular collision

Conduction

Convection

Radiaiton

The angle between rectangular components of a vector is

Choose an answer

0°

90°

180°

270°

S.I unit of weight is:

Choose an answer

kg

m

N

K

Which is unitless quantity:

Choose an answer

Mass

Force

Inertia

Momentum

In summers the railways bends due to:

Choose an answer

Expansion

Contraction

Both

None

Newton's law of gravitation resembles with

Choose an answer

1st law of motion

2nd law of motion

3rd law of motion

Law of gravitation

The first man who came up with the idea of gravity was?

Choose an answer

Issac Newton

Einstein

Faraday

J,S Joseph

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