(i) Define conduction, convection and radiation as modes of heat transfer. (ii) State…
PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
(i) Define conduction, convection and radiation as modes of heat transfer.
(ii) State any TWO distinguishing characteristics of each mode.
(iii) For each of the following situations, identify the predominant mode of heat transfer involved and give ONE brief reason for your choice:
(a) The handle of a metal spoon becomes warm after it is left standing in a cup of hot tea.
(b) A cool sea breeze blows from the sea towards the land during the day.
(c) A person standing some distance away feels warmth when facing a burning fireplace.