Flow of Heat – Single Choice

Conduction takes place in

In which method of transfer of heat do the molecules travel from the hot to the cold portion?

Handles of cooking utensils should be made of a material that

Convection occurs in

Sea and land breezes

A thermos flask prevents loss or gain of heat by

Which of these is the best conductor of heat?

The transfer of heat from molecule to molecule, without movement of molecules from one place to another is

Which of these is the best insulator of heat?

_______ is a process of transfer of heat in which a material medium is not necessary; heat is directly transferred from one place to another place.