Question

difference between conduction and convection. any 2.

Answer 1

Conduction is the process of transfer of heat in a body from the hotter end to the colder end without any actual movement of the molecules of the material.

WHEREAS

The process of transfer of heat in liquid or a gas by the actual movement of the particle of the liquid or a gas is called convection.

other difference


conditions required for the conduction of heat:-
Heat can be conducted from on body to another only when they are :-

(a) in contact with each other, and

(b) at different temperatures.





Practical Applications of convection current


(a) Ventilators

(b) Chimneys