Observe the picture given in figure. Water is being boiled in a pan of wide base.

$(i)$. Which position P or T will feel warmer?

$(ii)$. Fill up the boxes P and T to indicate the mode of flow of heat to the hand."

AcademicPhysicsNCERTClass 7

$(i)$ As the hot air is rising up, $P$ will feel warmer.

$(ii)$. $P\rightarrow$Convection, which is the heat transfer taking place in fluids and gases by bulk movement of molecules.

$T\rightarrow$Radiation, which is the heat transfer through any medium.

Updated on 10-Oct-2022 13:29:46