Question

DEFINE CONVECTION......​

Answer 1

Explanation:

Convection is the transfer of heat due to the bulk movement of molecules within fluids, including molten rock.

Answer 2

English : The process in which heat moves through a gas or a liquid as the hotter part rises and the cooler, heavier part sinks

Hindi : गैस या द्रव में ताप फैलने की प्रक्रिया जिसमें गरम भाग ऊपर उठता है और ठंडा भाग नीचे आता है; संवहन

(OR)

Convection :

Convection is the transfer of heat due to the bulk movement of molecules within fluids, including molten rock. Convection includes sub-mechanisms of advection, and diffusion. Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place.

Hope it helps......