Question

Light a candle Keep one hand above the candle flame and one hand on the side of the flame. Do you feel any difference in degree of hotness felt by two hands

1)in this activity what is the mode of transfer of heat?
2) explain how the transfer of heat occurs in air.​

Answer 1

1) Convection is the more of transfer of heat in gases.

2) Transfer of heat in Air occurs through a process called Convection. When we light a candle, the heat produced from the candle heats the Air above it. As a result, the hot Air rises up. So, the hand above the candle experiences hotness. While the hand on the side of the candle experiences less hotness.

Convection: Transfer of heat from hotter end to cooler end in gases is called Convection.

Hope this helps you :)