Question # 1

Transfer of heat by the actual movement of molecules from one place to the other is called

Choose an answer

conduction

convection

radiation

waves

Which of the following is an insulator?

Choose an answer

Wood

Glass

Plastic

Steel

Convention is done by ____________

Choose an answer

Vibration of atoms

Actual movement of particles

Same as conduction

Nil

Poor conductor of heat is:

Choose an answer

Copper

Aluminium

Water

Iron

The temperature of a black dull surface on heating :

Choose an answer

Rise Rapidly

Fall Rapidly

Becomes zero

Remain constant

The bad conductor of Heat is:

Choose an answer

Iron

Copper

Air

Aluminium

The main source of energy in the unierse is:

Choose an answer

Moon

Stars

Sun

Planets

Degree of hotness or coldness of the body is called:

Choose an answer

Heat capacity

Thermal conductivity

Heat

Temperture

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

Choose an answer

Random motion of molecules

Downward movement of molecules

Upward movement of molecules

Free movement of molecules

____________ is bad conductors of heat:

Choose an answer

Copper

Water

Wire

Nil

Leslie's cube is a box of:

Choose an answer

Metal

Non-Metal

Wood

Metalloids

Flow of thermal energy from hot body cold body is called:

Choose an answer

Specific heat

Latent heat

Transfer of heat

Heat capacity

Example of bad conductor is:

Choose an answer

Wool

Iron

Graphite

Gold

More Classes

Other Links

Physics 9th Class English Medium Unit 9 Online Test 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